LittleBookofPests[1]

8/7/2019 LittleBookofPests[1]

1/13

Easy pest

identification

Recognising

plant damage

FREE advice

& tips service

NEW range of

Littlebook ofpests

www.harrodhorticultural.com


2/13

Ants(Lasius niger, Lasius favus, Myrmica sp)

superior products to grow your own telephone orders 0845 402 5300 I 3

Black ants infesting a garden lawn causing ant mounds

What to look out forRed and black ants are nuisance pests

rather than plant damaging ones.

Plants may suffer if ants are nesting in

the containers they are growing in but

the main problem is their presence in

lawns or houses where they are active

from early April to late September.

Damage to lawns is caused by ant

mounds (pictured above), where soil

that has been excavated for nests

appears on the surface. This impedes

mowing and the presence of ant adults

on lawns can be unpleasant for children

and adults when being used for

recreation. Ants will also make nests

under paving slabs too, in flower beds

and will sometimes enter houses.

Ants are known to milk aphid

colonies for the honeydew they produce

(pictured above). This has little effect

on the aphids but ants will sometimes

fight off aphid predators, which hinder

the natural pest control of aphids.

Natural Choice Pest Control:

Ant Nematodes

Although total removal

or elimination of antsfrom gardens is difficult

to achieve, it is possible

to drive them out ofareas using nematodes

that can be applied

directly to ant colonieswhen the soil

temperature is 10C/50F. One application will

gain control of ants already present in the soilwhere the tiny microscopic worms act as an

irritant to ants causing them to leave their

colonies and nests. For best results, keep the soilmoist 2 weeks before application and water

directly into the ant mounds in dull conditions.

N.B. not suitable for indoor application.

Ant Nematodes Large

(treats up to 50 colonies) GPC-021 19.95

Ant Nematodes Medium


Ant Nematodes Small


Agrothrin for Ants

For indoor invasions by ants, or for use in betweenpaving slabs and under patios, we recommend

using natures own insecticide - pyrethrum.

Agrothrin is supplied as a pyrethrum powder,which is a 100% natural insecticide made from

ground up chrysanthemum leaves so is completelyorganic. The 100g puffer packs are speciallydesigned to help you access ant colonies that are

difficult to reach whilst the 1kg pack can be applied

liberally in more open areas. Agrothrin willalso provide a safe way to control indoor

pests like cockroaches and silverfish by

applying behind stoves, fridges and otherplaces where pests congregate.

Agrothrin for Ants

(2 x 100g puffer packs) GPC-113 9.95

Agrothrin for Ants

(1kg pack) GPC-114 14.95

Black garden ant milking black bean aphids

Pest control is one of

the biggest challenges

in the ornamental or

vegetable garden. Even by

rotating crops, companion

planting, selecting resistant

varieties and timing

planting, it is inevitable that

youll still encounter pest problems along your

growing journey. Its therefore essential that

you are able to accurately identify the pests

and/or the damage they cause and then have

the controls in place to eliminate the threat.

This 24 page book is a handy what, where,

when and how guide to common pests. Within

these pages we are also delighted to introduceJulian Ives, Harrod Horticulturals Pest Control

Expert, whose years of experience gained from

studying pests and advising different types of

growers is now available to our customers via

FREE advice and monthly tips (see left &

back cover).

Then theres our NEW Natural Choice Pest

Control range featuring nematodes, natural

predators, sprays, traps and barriers. Together

with our website it has 200+ organic

solutions, each one being effective and totally

safe around children, pets and wildlife. Armed

with these youll find that it is much

easier than you think to kill or deter

garden critters without harming the

environment, enabling you to

enjoy a healthier harvest.

STEPHANIE HARROD

Whats insideAnts 3

Aphids 4

Caterpillars 6

Carrot Root Fly 8

Chafer Grubs 9

Fungus Fly 10

Leatherjackets 11

Leaf Beetles 12

Mealy Bugs 14

Raspberry Beetle 15

Spider Mites 16

Slugs & Snails 18

Scale Insects 20Vine Weevil 21

Whitefly 22

Order Form 23

Did you know that we have over 200+ organic pestcontrols in our Natural Choice Pest Control range at

www.harrodhorticultural.com

Postage and Packing is 2.00 if your order ONLY containsproducts from this booklet (except netting, fleece andthose on page 19). If your order includes these exceptions or

other items from our website and main catalogue, then please note that ourstandard charge is 4.95 unless your order includes an item with a yellowlorry (12.95) or red lorry (19.95). Full conditions on page 23.

Let Julian Ives, HarrodHorticulturals PestControl Expert, help youidentify your pestproblems and/or adviseyou on the best organic

solutions. [email protected] write to Julian Ives,

Harrod Horticultural,Pinbush Road, Lowestoft,

Suffolk, NR33 7NL.

FREE

monthly

pest control advice

to your inbox.Just provide us with

your email address for

regular and timely

tips from our expert

Julian Ives.

Whats eatingyour plants?

children pets wildlife

USE OUTDOORS

USE INDOORS


3/13


Aphids(Aphidoidea family)

4 I more pest control solutions at www.harrodhorticultural.com

Aphids - their high reproduction rate makes them atroublesome pest in the garden

What to look out forThe aphid family is a large one

containing many different aphids that

are the most troublesome of all garden

insects. They include commonly known

insects like Green Fly, Black Fly and

Woolly Aphid. Female aphids can

reproduce asexually, which means as

soon as they are born they can

reproduce and they do this in very

large numbers. They normally

overwinter on host plants before

moving to other plants in the spring

and summer that include the rose,

many trees and vegetables.

Damage from aphids can be severe,

especially when they reach high

numbers. They are sap sucking insects,

weakening plants and stunting growth.

As they feed aphids produce honeydew,

which is excreted onto plants. Sooty

moulds then grow on the honeydew,

which can inhibit photosynthesis in

plants. Aphids also transmit plant

viruses. These can distort plants,

sometimes reducing yield in fruit

producing plants.


Aphids have many natural enemies,

some of which can be used to

combat aphids in gardens and

greenhouses (see right). Due to the

rapid reproductive rate of aphids it

often requires a mix of these natural

predators together with traps and

an effective fatty acid spray (see

below) to control them effectively.

Aphid Kill using

Lacewing Larvae

Lacewing larvae are idealpredators for controlling aphids

when tackling spot treatments

and heavy infestations on lowgrowing plants, like bedding

plants and lettuce (temperatures

of 15C+). The larvae arebetween 2-10mm long and one

larva can eat over 300 aphids

per day when applied betweenMay and September. They also

benefit by feeding on some

other pests such as spider mitesand thrips. Sprinkle the shaker

bottle contents out over the

plants that are infested withaphids, either indoors or

outdoors, where one bottle of

500 lacewing larvae will treat up

to a 50m2 area (repeat treatmentas required). Its important to

note that the lacewing larvae

are not suited for use in tallplants and crops, as they can

find it difficult to reach the

growing point where many ofthe aphids congregate. They

also do not like plants with hairy

stems or leaves as this impedestheir movement.

500 Bottle GPC-134 17.95

1000 Bottle GPC-135 29.95

Organic Savona

Fatty Acid Concentrate

Heres a fatty acid, non-toxic spray that is

ideal to control aphids, red spider mites,

whiteflies and mealy bugs on all edible and

non-edible plants where it kills on contact. Itwont leave any harmful residue on the

plants and its 100% safe around children,

pets and for the environment too. The 1ltrconcentrate dilutes to 50ltrs (to cover an area

of 500m2) that represents great value for

money and it should be applied when pestsare seen (indoors or outdoors). You can buy

our 1ltr empty spray bottle for diluting into

and for easy application.1ltr Concentrate

dilutes to 50ltrs

GPC-141 17.451ltr Empty

Spray Bottle

GPC-142 1.95

Lacewing larvae - for spot treatments & heavy infestation

Aphid Control

using Ladybirds

Ladybird adults are veryeffective predators of aphids

and are best used for indoor

control, where in a containedenvironment they can eat up to

5,000 aphids in their lifespan! If

aphids are attacking plantsoutdoors, then it is better to opt

for ladybird larvae that can also

be used indoors too. The larvaecan eat 100-150 aphids per day

and can be used on a wide

variety of plants where thesupplied jute bag helps with

their distribution on larger

plants. Hang 1 bag of larvae ona soft fruit plant, tree or shrub,

or 2-3 for larger trees. Ladybirds

and their larvae can be applied

from early May (only applylarvae in temperatures of 10C+

indoors or outdoors) but

neither should be introducedafter September. Repeat

treatments as required.

50 Ladybird Larvae

& Jute Bag

GPC-530 15.45

25 Ladybird Adults

Shaker Tube

GPC-527 23.95

Adultladybirdscan eat 5,000aphids eachin their lifespan

Aphid Prevent

using Parasitic Wasps

Use the tiny parasitic wasps, Aphidius colemani, early in the

season as a preventative

measure in indoor locations.Putting this down (when

temperatures are above 12C )

before signs of problems emergewill not only minimise damage

but also the cost of dealing with

a larger problem later on. 3 x250 parasitic wasp bottles

supplied, each one sent

separately every 2 weeks. Onebottle can be applied to an area

up to 250m2.

3 x 250 Wasp Bottles

GPC-133

29.95

Apply parasitic wasps to get early control & minimise damage

Sticky Pest Traps

Gain early control by hanging theseup in glasshouses in the winter and

early spring to catch flying a phids.

These are a pesticide free, non-toxicway of monitoring problems and to

help with the timing and selection

of control. Can be used around alledible and non-edible plants.

10cm x 25cm H.

10 Pack GPC-159 4.95


FREE monthly pest control advice

to your inbox. Just provide us

with your email address for regular and

timely tips from our expert Julian Ives.

USE INDOORSOR OUTDOORS

USE INDOORS

USE ADULTSINDOORS

OR LARVAEIN/OUTDOORS

FOR HEAVY INFESTATIONS EARLY INDOOR CONTROL

FOR LIGHTINFESTATIONS


4/13


Caterpillars(Lepidoptera group of insects)



Nemasys Caterpillar Killer

Gain control of caterpillarsfrom July by directly

watering nematodes onto

them, where once incontact they will enter and

kill. 3 packs are supplied

and a pack should beapplied weekly for three

weeks; this ensures that

caterpillars emerging from eggs over a fewweeks will be caught by the treatment.

Caterpillar nematodes can also be used against

Sawfly larvae, even though they belong to a

different insect family. Good results have beenachieved on Gooseberry Sawfly larvae. All 3

packs are delivered at once with each one

treating an area up to 40m2.3 Packs GPC-261 22.95

Large cabbage white butterfly caterpillars feed on theoutside leaves and the smaller variety in the heart ofbrassicas which causes destruction.

ButterfliesButterflies lay eggs that develop into

caterpillars. Some caterpillars can be

destructive pests of plants. They mainly

feed on leaves, although some feed on

roots or bore into plant stems, or feed on

seeds, berries and fruit. There is virtually

no part of the plant they will not eat! The

lifecycle comprises of egg, caterpillar,

pupa and adult. The pupa part of the

lifecycle is usually in the soil. Butterflies

tend to be active in the day and more

brightly coloured than moths but there

are exceptions.

Cabbage white butterfly appears in

two common forms. The large cabbage

white has a caterpillar with yellow andblack markings and feeds on the outside

leaves. The small cabbage white is pale

green and is much smaller, feeding

mainly on the inner of brassicas, such

as the hearts of cabbages.

Prevent cabbage white butterflies fromlaying eggs by protecting plants withbutterfly netting. You can SAVE s on

saver rolls at www.harrodhorticultural.comor call 0845 402 5300 for details.


Codling Moth Trap

Codling moth traps can be usedearlier in the year [from May

onwards] to catch and

monitor male codling moths.This helps warn of caterpillar

attack later in the year and

reduces the amount offertilised females, leading to

fewer caterpillars. If adult moths

are caught then follow up with ourkiller nematodes below to seize control

in early Autumn. The trap is uniquely designed

without sticky inserts and requires only one

pheromone lure per season. The trap, which

covers 1/2 acre or 16-20 trees, can be re-used eachyear and replacement lures ordered.

TrapGPC-214 7.95

Replacement Lure GPC-152 4.95

Plum Fruit Moth TrapPlum fruit moth is another fruit pest that mainly

causes damage to plums. The pinkish-white

caterpillar with a brown head feeds inside fruitwhich then looks dehydrated and tends to fall

early. This pheromone trap, as above but with an

alternative seasonal lure, is ideal for attracting andcatching male moths.

GPC-028 7.95


Nemasys Codling

Moth Killer

If codling moths are caught in traps,then this treatment will further reduce

their overwintering numbers in the

early autumn. Codling moth pupaecan be controlled on fruit trees and in the ground

from September to October (+14C temperatures)

by applying to the ground below the tree and tothe tree trunk itself, where pupae overwinter. One

pack will treat up to 20 trees (40m2) to break the

pests lifecycle. Supplied as 3 packs that are alldelivered at once for weekly treatments.

3 Packs GPC-262 22.95

The caterpillars associated with the codling mothshould be treated early or later in their lifecycle

MothsMoths are mainly nocturnal. The moth

larvae are leaf miners whereas the

codling moth caterpillars tunnel into

fruit, especially apples, in the mid to late

summer. The caterpillars are small and

white in colour with brown heads. They

are very difficult to treat once inside the

fruit, so have to be treated

earlier or later in

their lifecycle.

Codling mothcaterpillardamage

Codling mothcaterpillarentry hole

Cabbage white butterfly can beprevented from laying eggs byusing butterfly netting







5/13

SAVE s with insect mesh saverpacks atwww.harrodhorticultural.comThey are ideal for placing overcarrots and late sowings to miss the1st generation of carrot root fly.

Carrot Root Fly(Psila rosae)


Carrot root fly adult lays eggs twice a year

What to look out for

The Carrot Root Fly is a small fly,

about 8mm long, with a red to brown

head, a shiny blackish body and pale

legs. The female lays its eggs near host

plants and will target carrots, parsley,

parsnips and celery. There are normally

two to three generations a year. The

first eggs are laid from overwintering

adults in April/May and the second

generation in July/August. The eggs

hatch into larvae after about 7 days

depending on the temperature.

Damage is caused by the larvae

attacking the roots first. Carrot leaves

often start turning red and the plant

looks spindly. Eventually the carrot root

fly larvae burrows into the carrot root

itself forming mines. Damaged roots are

often susceptible to secondary rots.


Carrot Root Fly Trap

Place this system at the endof the rows in mid April to

intercept the 1st generation

of carrot fly. The traps canbe removed in late May and

then repositioned in mid

July for the 2nd generation and finally removed atthe end of August. If more than 1 carrot fly is caught

per day then take remedial action with the

nematodes or a mesh screen recommended below.TrapGPC-129 13.95

5 x Sticky Traps Refill Pack GPC-131 4.95

Anti-Carrot Root Fly Screen

Carrot root flies do not fly

much above 50cm high sothis 61cm high x 8 metre

long ultra fine insect mesh

barrier is ideal protectionaround crops in raised

beds or the open ground.

Just push the aluminium tube supports into thesoil around your area and secure the mesh with

clips. It will also shield against wind, flea beetles,

rabbits, cats and rodents too!GDN-448 32.95

Carrot Root Fly Killer

Simply water these

nematodes into the soil

shortly after your carrotseeds have germinated.

Repeat treatment for each

sowing. The nematodessearch out and kill carrot root fly larvae. One pack

treats up to 12 square metres of area. Apply once

in late April/early May and once in late July.GPC-136 9.95

Carrot root fly larvae attacks the roots & then burrows

Chafer Grubs(Phyllopertha horticola and Hoplia philanthus)


What to look out forChafer grubs develop from eggs laid by

Chafer beetles, such as the May Beetle.

The two most common species in the

UK are the Garden Chafer and the

Welsh Chafer. Adult Garden Chafer

beetles have a metallic green head and

body with brown wing cases and their

Welsh cousins have a black head and

body with reddish brown wing cases.

The grubs have white bodies, which

curve into a C shape with light brown

heads. The size varies between species

from 9mm-30mm in length.

Damage is caused by the grubs

attacking the roots of grass and turf.

Sometimes they can also be found in

flower beds and containers. Lawns in

damaged areas go yellow and the grass

is often easy to pull away due to the root

damage. The grubs also attract animals

and birds to lawns, which rip up the turf

looking for them, thereby causing

serious damage. Most damage is caused

in the late summer and early autumn.


Garden Chafer Trap

Attract and catch the Garden Chaferbeetle by placing this trap on or near

lawns in early May. It covers an area up

to 1/2 acre and contains a special

attractant that lures the beetles. This

helps warn of future attack from Chafergrubs and helps reduce numbers.

Please note the trap only works on

species of the Garden Chafer beetle.GPC-117 16.95


Nemasys Chafer Grub Killer

Control Chafer grubs from late July to early Autumn

(temperatures above 12C) with nematodes. Thesetiny microscopic worms are watered into the soil

where they will seek out the chafer grubs and

attack the pest by entering natural body openings.Once inside, they release bacteria that stops the

pest from feeding which quickly kills it. The

nematodes then reproduce inside the dead pestand release a new generation which disperse and

look for further prey.

One pack treats up to 100square metres of lawn with only

1 application required.

GPC-290 29.95

Chafer grubs cause lawn damage from late summer

Infected chafer grubs - the result of using nematodes

children pets wildlife children pets wildlife

Postage and Packing is 2.00 if your

order ONLY contains products from this

booklet (except netting, fleece & those on p.19) . If

your order includes these exceptions or other items from

our website and main catalogue, then please note that

our standard charge is 4.95 unless your order includes

an item with a yellow lorry (12.95) or red lorry (19.95).


6/13

Fungus Fly(Sciaridae family)


Sciarid/Fungus fly larvae chews through roots

What to look out forFungus flies, sometimes known as Sciarid

or Fungus gnats, can pose a threat to

seedlings and cuttings in greenhouses and

polythene tunnels whilst even mushroom

crops can be attacked. In temperatures of

10C-12C+ they can build up into very

large numbers and become a nuisance

pest, flying up when disturbed in clouds of

flies. Fungus flies complete their lifecycle

in about six weeks where the life span as

an adult is about one week.

Damage is caused by the larvae of the

flies, chewing on the roots and bringing

disease and fungi into contact with the

young plants. The areas where the fly larvae

feed provide easy access points for harmful

fungi. The larvae are whitish with a black

head and are up to 5mm in length. These

insects thrive in humid, damp conditions,

particularly in compost. Fungus fly adults

cause in-direct damage by spreading fungal

spores of diseases and plant viruses.


Sticky Pest Traps

The first step in preventing andcontrolling Fungus flies is the use of

yellow sticky traps which attract and

catch the pest. This will help toreduce numbers and lower the

amount of eggs laid which is

particularly important given thatthey develop into larvae which

causes the damage to young plants. The sticky

traps also act as an early warning of the pest tooand will catch other small flying insect pests such

as whitefly and aphid. 10cm x 25cm H.

10 Pack GPC-159 4.95

Fungus Fly Killer

To control the Fungus flylarvae introduce the

nematode Steinernema

feltiae in soiltemperatures of 10C+.

Not only will this prevent

the damage that the Fungus fly larvae causesbut it will stop the development of the flies. This

is significant because it breaks the cycle of the

flies going on to lay further eggs which wouldthen create more larvae which multiplies the

problem. The nematodes are very easy to apply

by watering into the compost or soil where thelarvae are present. The nematodes then quickly

enter and kill the Fungus fly larvae. One pack

treats an area of 12 square metres orapproximately 160 x 1 litre pots.

GPC-118 9.95

Sciarid/Fungus fly adults have a lifespan of 1 week

Leatherjackets(Tipula oleracea)


What to look out forLeatherjackets are the larvae of crane

flies, sometimes known as daddy-long-

legs. The larvae are grey-brown in colour

and are normally found in the soil under

lawns. They feed on grass roots and are

therefore a pest of lawns and grass

areas. This turns the grass yellow in

patches and weakens plant roots. In

severe cases the lawns start to die. The

secondary damage caused by

Leatherjackets can be worse than the

primary, as birds and animals will rip up

lawns looking for the larvae to eat.

Occasionally Leatherjackets can occur in

vegetable beds and flower beds.

The daddy-long-leg adults lay eggs in

lawns during the late summer and often

high numbers of daddy-long-leg adults

are observed prior to egg laying. The

eggs quickly develop into larvae, which

start feeding on grass roots. During the

winter they stop feeding and sink deeper

into the soil, and as soil temperatures rise

in the spring, so do the Leatherjackets

and they start feeding again.


Leatherjacket Killer

Leatherjacket, the prolific lawn pest, can becontrolled by nematodes, the most effective

natural solution. These tiny microscopic worms

should be watered into the soil beneath thegrass in late summer where applications should

be made 1-2 weeks after the first adult daddy-

long-legs have been spotted. Its at this pointthat you will know that they will have laid their

eggs and by washing the nematodes in well

they will reach the roots where theleatherjackets will be. The nematodes seek out

the leatherjackets and attack the pest by

entering natural body openings. Once inside,

they release bacteria that stops the pest fromfeeding, thereby quickly killing the pest. They do

not stop there. The nematodes reproduce inside

the dead pest and release a new generation ofhungry infective nematodes, which disperse and

search for further prey. Although the optimum

time for application is late August to end ofOctober (only 1 application required if the

timing is right), a Spring treatment can be

carried out if the soil temperature is above 10C.Leatherjacket Killer Small

Treats up to 12 square metres.

GPC-022 9.95

Leatherjacket

Killer Large

Treats up to

100 square metres.GPC-285 16.95

Leatherjackets feed on grass roots

Whats eatingyour plants?Dont struggle and get

frustrated with pests, [email protected] expert advice.










7/13

A. Insulating Fleece

Cover up nice and early by floatinginsulating fleece over the top of crops

without damaging the young plants to

provide the ideal growing environmentduring the colder months. The permeable

white UV stabilised spun bonded 2mm

square mesh cover protects against frost,wind, hail, birds and insects whilst helping

to warm up the soil so that earlier

harvesting of healthy crops can be achieved.Choose from either 17g or 30g thickness.

B & C. Insect-Mesh Netting

If your patch is prone to being invaded bypests both large and small, then lay this

heavy duty 100% polyethylene UV stabilised

fine mesh directly over crops or hoops fromlate Spring onwards. It offers protection

against carrot fly, cabbage root fly,

caterpillars, birds, mild frosts, heavy rain,wind and hail whilst providing 20% shade.

It also allows air and water to circulate so

that plants can grow healthily too. Twomesh sizes are available, the finest (C) will

also keep out whitefly, flea beetle & aphids.

A great investment that should last 10 years!

Insect Killer Spray

A highly effective 1ltr ready to

use spray thats made from

natures own rapid actinginsecticide, pyrethrum, which

can be sprayed directly onto

the plants. Use indoors oroutdoors on all fruit,

vegetable or

ornamental plants(avoid open flower

blooms) by spraying

both upper and

lower leaf surfaceswhen the larvae or

adults are present.Repeat treatment

may be required.

GPC-027 5.95

Leaf Beetles(Aphidoidea family)

12 I more pest control solutions at www.harrodhorticultural.com superior products to grow your own telephone orders 0845 402 5300 I 13

Leaf beetles are normally coloured beetles that feed onplant leaves. Their larvae infest plant roots and stems.

Natural Choice

Pest Control:

Early detection is

important for all varieties

of leaf beetle and

combining fleece and fine

insect-mesh netting with

this choice of natural

sprays will help to

overcome these pests.

In the first instance we

recommend the Insect

Killer Spray but the fatty

acid, non toxic Savona

spray is a great

alternative if the beetles

build up a resistance to it.

A. 17g Insulating Fleece

Code Width Length Price SAVE

GNE-066 1m 25m 7.00

GDN-510 1m 50m 12.00 2

GNE-042 1m 100m 21.00 7

GNE-063 2m 10m 6.50

GDN-031 2m 25m 12.00 4.25

GNE-043 2m 50m 21.00 11.50

GNE-065 4m 10m 10.00

GDN-034 4m 25m 20.00 5

GNE-044 4m 50m 35.00 15

30g Insulating FleeceCode Width Length Price SAVE

GNE-067 1m 10m 6.00

GDN-054 1m 50m 20.00 10

GNE-045 1m 100m 35.00 25

GNE-064 2m 10m 9.50

GDN-033 2m 25m 18.75 5

GNE-046 2m 50m 32.50 15

GNE-068 3.2m 10m 12.00

GNE-047 3.2m 25m 26.00 4

GNE-048 3.2m 50m 47.00 13

B. Fine Insect-MeshCode Width Length Price SAVE

GDN-018 2m 1m 2.80

GNE-036 2m 5m 12.00 2

GNE-037 2m 10m 23.00 5

GDN-017 2m 50m 110 30

GDN-040 2.5m 1m 3.40

GNE-038 2.5m 5m 15.00 2

GNE-039 2.5m 10m 29.00 5

GDN-425 2.5m 50m 135 35

GDN-043 3m 1m 3.85

GNE-040 3m 5m 17.25 2

GNE-041 3m 10m 33.50 5

GDN-044 3m 50m 157.50 35

Conversion: 1 metre = 33






Red Lily BeetleBright red beetles that have black heads and

are about 6-7mm long. In the spring reddish

brown eggs appear on the underside of

leaves, which develop into reddish brown

grubs, which often cover themselves in

black excrement to ward off predators. The

adults are active from March/April until theautumn and are usually found on lilies and

fritillaries. Most of the damage is done by

the Lily larvae, which strip plant foliage and

then attack the flower buds. Damage

increases as the summer goes on.

Flea BeetleThe damage from this pest, that is present

from April-May, is often seen before the

beetles. These small beetles are shiny black

in colour, sometimes with a yellow stripe on

their wing case. When disturbed the beetles

can be seen jumping from the plants. They

attack vegetable plants including cabbage,

radish, swede and turnip. Some beetles will

also attack flowering plants like wallflowers,

stocks and aubrietias. Seedlings are

especially vulnerable and damage appears as

small holes in the leaves.

Rosemary Leaf BeetleThis is quite a recent pest to the UK with

the adults and larvae feeding on the leaves

and shoots of rosemary, lavender, sage and

thyme. The adult beetles appear in late

spring and are metallic green with purple

stripes on their wing cases. They mate in

the summer, laying eggs that then develop

into larvae. The larvae can be identified by

their grey-white colour with dark stripes

on their bodies and they have a

resemblance to slugs.

C. Ultra Fine Insect-MeshCode Width Length Price SAVE

GDN-056 2.5m 1m 4.80

GNE-029 2.5m 5m 21.00 3

GNE-030 2.5m 10m 40.00 8

GNE-031 2.5m 50m 195 45

GNE-032 3m 1m 5.50

GNE-033 3m 5m 24.50 3

GNE-034 3m 10m 47.00 8

GNE-035 3m 50m 230 45

B

C

A

2mm sq. mesh

Buy saver packs andSAVE sor order multiple metres usingthe 1 metre length price.

1.35mm sq. mesh

0.25mm x 0.8mm meshControl leafbeetles withthe fatty acid,non-toxic and

safe Savona -see page 4.


8/13

Mealy Bugs(Pseudococcidae)


Pseudococcus viburnii extracting sap from plants

What to look out forMealy bugs have their name due to the

waxy and mealy covering which is a

fluffy material secreted from their bodies.

They are soft bodied and coloured grey to

white, or pink and are about 4mm long.

They occur mainly on greenhouse grown

plants all year round if temperatures are

above 15C where they extract sap that

leads to stunted growth. Leaves can be

deformed or go yellow after their feeding.

Mealy bugs also excrete sticky honeydew

onto the plants and their general impact

can cause flowers and fruit to fall off in

cases of severe infestation. There are

several species that attack greenhouse

plants including the citrus mealy bug

(Planococcus citri) whilst some species

cause further damage by injecting toxic

substances into the plant. Glasshouse

mealy bugs attack ornamental plants

including cacti, succulents, African

violets, ferns, orchids and vines.

Mealy Bug Killer

Biological control ofmealy bugs is possible

with the ladybird;

Cryptolaemusmontrouzieri. On

average 1-2

applications, with a 7-14day interval, is required depending on the size of

the mealy bug colony. The adult predator is

active in temperatures of 23-25C but the larvaewill operate at lower temperatures, from about

17-18C. After clearing up mealy bugs this

predator will also feed on other pests such asscale insects. For individually infested plants, try

using the larvae ofCryptolaemus, when the

insects are wingless. Apply 4-5 larvae perinfested plant and place the larvae as close as

possible to the mealy bug mass. Also use the

larvae in winter months if using in heated areas,as the adults do not work well without sunlight.

Adults are particularly effective in cases of

widespread infestation.25 adults GPC-525 19.95

25 larvae GPC-124 19.95

10 larvae GPC-139 10.95

Planococcus citri - attacks greenhouse plants

Raspberry Beetle(Byturus tomentosus)


What to look out forThe Raspberry beetle both larvae and

adult - attacks all cane fruits and

particularly summer fruiting

raspberries. The adult beetle (pictured)

is brown and feeds on un-opened buds,

unfolding leaves of first year canes and

open flowers. Eggs are laid on flowers

in the late spring and early summer and

the resulting white coloured, 8mm long

larvae feed on the developing fruit. The

attacks often cause dried up patches at

the ends around the stalk and the larvae

eventually moves into the centre of the

fruit. The feeding can also introduce

fungi, which damages the fruit further.

Later in the summer, the larvae moves

into the soil to overwinter as pupae.


Raspberry Beetle Trap

Use this innovative funnel trapmonitoring kit to detect the

early warning signs of the

adult Raspberry beetle, byplacing it 1m above ground,

4-6 weeks before first

flower during April to J uly.It helps to improve the

timing and efficiency of

spray treatment (below),thereby reducing crop

damage or any unnecessary

spray application. Attracted by the

incorporated attractant lure and colour of thecross vanes (simulating a giant raspberry

flower), the beetles fly into the cross vanes, fall

into the funnel shaped catchment area anddown into the holding bucket below. If you

discover 5-10 beetles per trap per week in the

period from beetle emergence until onset of firstflowering then use the Insect Killer Spray below.

The attractant lure in the trap lasts 6 weeks, the

length of a normal raspberry season, so top upwith a replacement to re-use it again.

TrapGPC-126 16.95


Insect Killer Spray

Once raspberry beetles are caught or at first sign

of presence, control measures can be

implemented. There are no commerciallyavailable biological control

predators, so use this highly

effective 1ltr ready to use spray,made from natures own rapid

acting insecticide, pyrethrum. It will

also tackle flea beetle and red lilybeetle as well as larvae too. Apply

thoroughly indoors or outdoors on

all fruit, vegetable or ornamentalleaf surfaces (both sides but avoid

open flower blooms). Repeat

treatments maybe required.GPC-027 5.95

Raspberry beetle - both adults and larvae attack fruit


Organic Savona Fatty Acid Concentrate

For very severe infestations of mealy bugs or for

times when temperatures are below 18C, use thefatty acid based, non-toxic Savona in the first

instance on all edible and non-edible plants. Spray

twice with a one week interval. The first spray willbreak down the fluffy mealy bug outer layer and the

second will kill the mealy bug underneath. Savona

leaves no harmful residues on the plant to adverselyaffect future applications of beneficial insects (see

below). The 1ltr concentrate dilutes to 50ltrs (tocover 500m2) that represents great value for money.You can buy our 1ltr empty spray bottle for diluting

into and for easy application.

1ltr Concentrate dilutes to 50ltrs

GPC-141 17.45

1ltr Empty Spray BottleGPC-142 1.95

Mealy bugsbeing devoured










9/13

Spider Mite(Tetranychus urticae)


What to look out forSpider mites are a serious pest of many

plants, especially greenhouse grown

crops (cucumbers, peppers, etc.) and

soft fruit (strawberries, tomatoes, etc.).

The most common species is the two

spotted mite; Tetranychus urticae.

There are also species that attack fruit

trees such as Panonychus ulmi.

Spider mite damage is significant and

can be fatal to plants. The mites feed on

plant tissue and plant sap, mostly on

the underside of leaves, which then turn

yellow. The whole plant can eventually

die if left untreated. In high numbers

the mites produce webbing which

provides a method for the mites to be

transported in the wind or on clothing

to other plants. Once webbing is

observed there will be large numbers of

spider mites present. The two spotted

mite is normally green with two black

spots and only turns red when going

into hibernation or when it is emerging

out of hibernation. They are dormant

when overwintering and emerge when

day lengths increase and temperatures

rise (March onwards). It is extremely

difficult to kill the mites in hibernation,

which they do in cracks, crevices and

roof structures.


Spider Mite Killer SachetsEarly treatment of red spider mite using biological

control is now possible at lower temperatures,from 6C, with these Killer Sachets that contain

the predatory miteAmblyseius andersoni. These

predators are supplied in sachets, which are hungon plants, and release hundreds of predators onto

the plant leaves for 2-4 weeks. There are two

versions, one which is used outdoors and oneindoors. These predatory mites will feed on some

other pest mites and thrip larvae too. Simply

place one sachet per plant to ensure goodcoverage or distribute evenly among plants,

making sure leaves are touching so that the

predatory mites can move between plants.15 Outdoor Sachets GPC-143 14.95

25 Outdoor Sachets GPC-145 22.95

15 Indoor Sachets GPC-144 9.9525 Indoor Sachets GPC-146 14.95

Spider mites feed on plant tissue and plant sap

Organic Savona

Fatty Acid Concentrate

Sometimes spider mites are only observed

after they have reached huge numbers

and at this point an introduction ofpredators may not be enough to control

them. On these occasions or for early

treatment use this safe, corrective spray. Itis a fatty acid base spray and can be used

to spot treat spider mite i nfestations

before predators are introduced asbiological control. It leaves no harmful

residues to adversely affect subsequent

predator introductions and is safe to use

on edible and non-edible plants. Thesolution will also control aphids, whiteflies

and mealy bugs too. The 1ltr concentratedilutes to 50ltrs (to cover an area of 500m2)

that represents great value for money. You

can buy our 1ltr empty spray bottle fordiluting into and for easy application.

1ltr Concentrate

dilutes to 50ltrsGPC-141 17.45

1ltr Empty

Spray BottleGPC-142 1.95

Spider mite

killer sachetswork in lowertemperatures

Spider Mite ControlIn warm conditions, especially in glasshouses, the

most effective predator to choose is Phytoseiuluspersimilis which is contained in this biological

control. This predator eats spider mites in huge

numbers but can only be introduced whentemperatures reach 20C+ on a regular basis and

when spider mites are present on plants. They

devour all stages of the red spider mite lifecycle,moving rapidly over leaves and can consume up

to 20 immature spider mites and 5 adults per day.

The lifecycle ofPhytoseiulus persimilis is also twiceas fast as that of the spider mite which allows

them to out-compete. More than one application

maybe required if spider mites are present in largenumbers, especially if there is already spider mite

webbing on the plant. Phytoseiulus persimilis likes

warm humid conditions and spider mites likewarm and dry conditions, so try misting the plants

when using the predators. They are supplied in

shaker bottles with some carrier material and thisshould be sprinkled over infested plants. For light

to heavy infestations of spider mites, aim to apply

at least 30 predators per sq.m.2000 Predator Bottle (covers approx. 67sq.m.)

GPC-540 19.95

500 Predator Bottle (covers approx. 17sq.m.)GPC-535 13.95

2 x 500 Predator Bottle

2 week period between each delivery.GPC-534 25.90 SAVE 2

Phytoseiulus persimilisdevours spider mite in

warmer temperatures






Whats eatingyour plants?Dont struggle and getfrustrated with pests, [email protected] expert advice.


There are now two predatory mites that

can be used as biological control of red

spider mites - Amblyseius andersoni for

early and preventative treatment and

Phytoseiulus persimilis for curative control

in warm conditions. Early observation of

spider mites always contributes to gaining

control of this pest quickly. The first spider

mites coming out of hibernation are often

red in colour and difficult for predators to

eat, so use the safe spray, Savona, on thesefirst and then follow up with the new low

temperature predator contained in the

Spider Mite Killer sachets. There is a

version for indoor use and a water proof

sachet for outdoor use.


10/13


11/13

Vine weevil larvae feed on roots & bore into tubers too

What to look out forVine weevils are a serious pest of

ornamentals and plants like strawberries,with both the adult and larval stages of

the lifecycle causing plant damage. Adult

beetles with their long thin snout are

approximately 8-14mm in length, are dull

black and have tiny yellow bristles.

Although they cant fly they are highly

mobile and mostly nocturnal. They lay

white eggs that quickly turn brown in the

compost or soil where they are deposited.

White larvae with reddish brown heads or

C-shaped grubs develop from these eggs

that can overwinter and become active in

the early spring when soil temperatures

rise. If the larvae are indoors, in pots or

containers, they will continue feeding in

the winter. The damage caused by the

larvae is potentially more serious to the

plant than that from the adult beetle. The

beetles make distinctive half moon cut

shaped feeding marks on the edges of

leaves whereas the larvae feed on plant

roots and often bore into corms and

tubers of plants.

The feeding from the larvae often leads to

plant death and those that

are under attack appear

de-hydrated and can

collapse and die.


There is currently no control available

for adult vine weevils, so attention

should be focused on vine weevil larvae

using the safest and most natural

method, nematodes.

Vine Weevil Killer

Apply these tiny microscopic

worms, Steinernema Kraussei,by watering them into the

soil or compost where theyare especially effectivewhen used in pots and

containers. The nematodes move through the

growing media searching for the vine weevillarvae. They enter and kill them, using their

bodies to reproduce in and to release more

nematodes into the surrounding area. Thenematodes should be applied once in the spring

and once in late summer/early autumn when soil

temperatures are 5C+. The spring applicationkills off any overwintered larvae and the autumn

application terminates any new vine weevil that

has entered the garden during the summer.Small Pack- treats up to 12 sq.m.

GPC-275 8.95

Spring/Autumn - 2 x Small Packs1 delivered in April and another in September

for annual protection.

GPC-137 17.90Large Pack- treats up to 100 sq.m.

GPC-280 27.95

Spring/Autumn - 2 x Large Packs1 delivered in April and another in September

for annual protection.

GPC-138 55.90

Vine Weevil adultbeetle feed on leaves

Scale Insects(Soft and hard species)


Hard scale species inject toxic substances into plants

What to look out forScale insects are often classified into two

groups; soft (with shell attached) and hard

(without shell attached). They are often

difficult to find as they tend to settle in

concealed places or can be dispersed in low

numbers over the whole plant and are soft

brown or grey in colour. On the plant they

tend to remain on the underside of leaves

or gather on plant stems. Most outdoor

species are present in the summer months

but indoor species can continue breeding

all year round. In general they normally

thrive in warm, humid and shady

conditions. Most soft scales produce large

amounts of honeydew, a sticky substance

they leave on the leaf which moulds grow

on and attract ants. Hard scales dont do

this but instead they inject toxic substances

into the plant when feeding, which turns

leaves yellow or brown around the feeding

place. Heavy infestations of scale can result

in poor growth and leaf drop.


There is a range of solutions for scale

insects; the old fashioned approach

was to rub them off the plant with

mentholated spirit. This is rather time

consuming so use these instead!

Soft Scale Killer

For soft scale, tinyparasites called

Metaphycus helvolus can

be introduced indoorsto slow down and stop

the spread of these

scale insects. Theseminute parasitic wasps

inject their egg into the

scale, killing them andproducing another parasite. To be effective this

biological control requires longer days (March to

October) and minimum temperatures of 18C.Application is easy, simply release the insects on

or near the infected plants (3-5 per plant). For

severe infestations repeat introductions 2-3times over 3-4 weeks.

25 adults GPC-167 19.95

Hard Scale Killer

Hard scale can be

treated indoors withpredatory beetles called

Chilocorus nigritus. They

are available as larvae oradults (use 3-5 of either

per plant) and to be

effective they alsorequire longer days

(March to October) and

minimum temperatures of 18C. Use the larvaefor individual plant treatments and the adults for

multiple plant treatments. The adults are not

effective in the winter as they need sun light tobe active.

25 adults GPC-166 19.95

25 larvae GPC-157 19.9510 larvae GPC-161 10.95

Soft scale species deposit honeydew on leaves

Vine Weevil(Otiorhynchus sulcatus)



Parasitic waspscombat soft scale

These beetles thriveon hard scale










12/13

Whitefly(Trialeurodes vaporariorum)


Whiteflies extract vast amounts of sap from plants

What to look out forWhiteflies, both adults and eggs, are

found on the underside of leaves,

although the 1.25mm-2mm adults

normally congregate at the top of the

plant and fly off when disturbed. The

most destructive form of whitefly for

gardeners is the glasshouse whitefly

which attacks a variety of greenhouse

grown plants whereas outdoors the

cabbage whitefly attacks brassica

plants. Whiteflies are sap feeding

insects and extract vast amounts of sap

from plants from about May (much

earlier in heated greenhouses where

they can overwinter). Plant growth

becomes stunted and sticky honeydew

is left on plants. This often grows black

sooty moulds and a yellow mottling

further indicates where whitefly have

fed. Whitefly is also capable of

transmitting plant viruses and infested

plants suffer from a lack of vigour.


Sticky Pest Traps

Adult whitefly can overwinter on host

plants in greenhouses, so the first stepto control them is to remove weeds or

any host plants you may have. Hang

up 1-2 yellow sticky traps in the winterand early spring to monitor and catch

any whitefly adults that are present.

Use the entire pack if trying tocontribute to control. 10cm x 25cm H.

10 Pack GPC-159 4.95

Whitefly Control

Once temperatures are over 18C introduceparasitic wasps called Encarsia formosa that have

been used with great success to control whitefly

populations indoors since 1926. T hey areintroduced as eggs on cards before hatching

into adults. Regula r introductions will keep

whitefly under control naturally and by keeping

the greenhouse at 18C in the daytime and 10Cat night you will encourage the best results.

1500 Encarsia formosa GPC-510 11.95

1500 Encarsia formosa x 31500 Encarsia formosa delivered weekly for 3 weeks.

GPC-515 35.85

Whiteflies can be found on the underside of leaves


Control whitefly withthe fatty acid, non-toxic and safe Savona- see page 16.

Parasitic wasps, Encarsiaformosa, are tried and

tested to control whitefly

Whitefly after beingin contact with

parasitic wasps

priority order form

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wish to receive any other offers apartfrom our own please tick box.

UK mainland Postage & Packing chargesWe only charge you for P&P once per order, no matter how many items

you buy. P&P is 2.00 if your order ONLY contains products from

this booklet (except netting, fleece & those on p.19). If your

order includes these exceptions or other items from our website and

main catalogue, then please note that our standard charge is 4.95

unless your order includes an item with a yellow lorry (12.95) or

red lorry (19.95). For P&P charges to some parts of Scotland andoutside the UK mainland, please telephone for a quote.

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SOLO M M Y Y M M Y Y

Grow Your Own Pest Control

Now you can control all key insect pests on vegetablesand fruit throughout the growing seasons by applying

this general solution. After planting out, just apply 1

pack every fortnight (when soil temperatures are 12C+)until harvest to ensure you hit the pests listed opposite

whenever they might occur as they all have different

timings. It certainly saves the difficulty of identifying specific problems and thenbuying individual solutions making it a cost effect way of staying on top of

numerous pests for strong and healthy harvests! 1 pack provides 2 weeks

protection and covers 60sq.m. or 16 trees in the case of codling moths. Forsmaller areas apply the whole pack at once, overdosing is not a problem.

1 Pack GPC-029 4.95

2 Packs GPC-030 9.90 (HINT saves re-ordering & reduces postage!)

This unique mix of

nematodes is capableof controlling all thesepests throughout thegrowing seasons!

carrot root fly cabbage root fly leatherjackets cutworm onion fly antssciarids caterpillars gooseberry saw fly thrips codling moth

OFFER CODE: 10PEST1


13/13

Whats eatingyour plants?

Julian Ives, Harrod Horticulturals Pest Control Expert answers your questions...

Insect Management

Q Ive a dilemma with the netting onmy fruit cage. The holes are toolarge to stop the cabbage whites but

will stop pigeons (my other problem). Is

there any way of solving both problems

with one mesh size but still allowbeneficial insects in? Help please!

Alison Millward, 6th September

A Julian replies:You could put ourbutterfly netting over brassicasin the fruit cage as a 2nd barrier. If

you do this, make sure that the

plants do not touch the netting, as

the cabbage whites can still lay eggs

through the netting if it is touching

the plants. Another option is the use

of nematodes. You can now spray

caterpillar killer nematodes onto

the caterpillars. These are safe to

use on edible plants. As soon as you

see any caterpillars, spray the

nematodes directly onto them which

will penetrate the caterpillars and

kill them. This is a safe, chemical

free method of controlling them.

Red Spider

Mite &

Peaches

Q Red spidermite has hada field day this

year in our

unheated greenhouse, starting duringthe hot weather of the early summer. It

affected the peaches badly, and has

now turned its attention to the apricots.

Have I left it too late? What course of

action do you recommend?

Chris Proudfoot, 19th September

A Julian replies: Its certainly nottoo late if the red spider mitehas not turned red. It sounds odd

but they only go this colour whenthey are about to go into

hibernation which is when predators

are less effective on them. You can

treat with a fatty acid based spray

called Savona but make sure you

get a good coverage, especially

under the leaves. We also have a

new predator available in sachets

that works in cooler temperaturesso thats well worth using.

Ladybird Larvae

Q Im interested inladybird larvae buthow long would it be

before they become

dormant and would they stay

active through the winter if I put a

ladybird house in a warm greenhouse?Merv Wignall, 21st September

A Julian replies: Ladybirds overwinter as adults, so I suggestyou delay purchasing ladybird

larvae until next spring. Putting in

a ladybird box or habitat now is a

good idea, as it will encourage

adult ladybirds to over winter in it.

Adults emerge from hibernation inthe spring and start feeding on

aphids. Ladybird larvae are best

purchased from May onwards, when

you see aphids in the garden.

Chafer Grub Alert!

Q We have a grub in ourlawn, quite a largearea, about 170 square

metres. I notice that yourtreatment can only be

applied between August and

September. This would mean that all

through winter/spring and most of next

summer the garden would look a mess.

Is there anything we can do sooner?

Kim Brown, 20th October

A

Julian replies: Unfortunately

youre right, our treatment withnematodes is for the late summer

as soil temperatures are too low for

the spring. However, there is a new

Chafer Beetle Trap which can be

placed out in May ready for the

adult beetles. This is not a control

but will reduce numbers if you have

the Garden Chafer species of

Chafer beetle.

Dont struggle and get frustrated with pests in your veggie patch, just ask Julian

for advice. Email [email protected] or write to Julian Ives, Harrod Horticultural,

Pinbush Road Lowestoft Suffolk NR33 7NL

OFFER CODE: 10PEST1

Documents

LittleBookofPests[1]