A revision of the Siphonocryptidae (Diplopoda,

I 11 t rotl tic t i o ii togcther \vas spent v , i th siphonocryptids. In the present paper \ve present a redescription of the type-species of .Sjj~/iorioc.ri.pnr.s. describe a new congener. propose n n w ceiiiis for. rind redescribe. the other published species rcfrrred to Sip/ioriocr.!,prirs. iincl discuss phylogeriy aiid h i o g e o p p h y of the famil!..

Historical

rrasons. First, \\ho \voiild espect a distribution like this (Suinritrn i Cnnary Islands)'? Second, Loksa comparrd his n t x species to 'Sip/ioiiocr~~pn/s pdclzer Attems. 19 1 1 ' \vhich is-as fnr LIS \$'e have been able to tind out-ri mere tiction. this n;ime having not heen encountered in i iny

p p e r tvritten by Attems or by anyhody else. Enghotf ( 19S?) recorded S. c~7t7nrinisis frorn Madeira.

Enghoff er rrl . ( 199-3) guve dc.tiiils of early juvenile staciia of thc smie species. and tliis is \\here the published history of Siplioriocryprris eiicls.

Jlateriai nnd acknowledgements

i! o t Polyzoniida characterizecl by: i ic ' riiici-dorsal siiture aiid a traris\ferse

i . r y conipletel>, fusecl \i,ith pleura: t i nc ci peri t rema t a o n la te ra i lmd!

iictel!, hitlden iincler Iast tergurn: legs cliiu~: anterior and posterior gono-

ii!. \\.ril-distinguished podomeres. 'c' ttirther discussed in the phylogen-

c'tic >cct:o:l.

I \ \ ' i [h ;I dors:il colour pattcrn of thrcc Jark Iind two light longitudinnl \tripcs (Figj 3 4 ) . hody rcliitivciy n;irrou (Fie. 7 ) . paratcrgnl projec- t i o r i s wrpasuiig posicri»r contour of tcrgum. apicnl pürt of terminal piidoinerc of posterior goriopocl longcr (Figs 8. 9) . . S. c.i>inprtcfrr.\

- .-\ iiiid-Jorsil light htripr. (or hod) uniform pnlc). bod) rclati\ci' iiroad (Fip. 7) . p:irarcrgal projections n o t siirpassing posterior con- tour o t tcrpuiii. :ipic:il p.irt ot tc'rrniniil p«domcrc oi posterior

. . . . , . . , . . . . . . .T. /Llflor :onopod \tiortcr IFis. Ih l . .

Siplioiiocryptirs conipnctirs Pocock, 1894 (Figs 2-1 2 )

.\r~>lioir<""?'/'lll.\ <'0l>i/>'"'f".\ Pocock. 1 S W : .340.

cvptl t i i~i terid. T\vo specirneiis frorn Suniatra: ilíount Sir iy lnng: Tht. Iectotype 0 in the Zoological bluseum. Arnsterclarn. ; i n d the parnlectotype d in the Natural History Museurn. London (cf. 'Material and acknowl- edpements')

,i/rircrkti widied: i PARALECTOTYPE. Sumatra. Xlount Sirigiilaiig. hl. Li'chcr le?. (Thc Natural History hluseum. L»ndon).- 1 c' \i Sumatra. Biikittcnggi. 1000-2300 m. Gn. bleriipi. 18.x.1990. A. l<icdcl Icg. (Zoological 'rliiseum. Copcnhupm, \V. Schnualler ded.)- i 1 (tcipot'pe). \i Sumatra. Bukittenggi. 3100-2600 m. Gn. Singgalorig. 1f j .x . IWO. A . Rictld icg. (Zoological 'rlusciirn. Copenhagen, Se h<iu :i I i e r ded. ) .

3 (paralectotype) 17 tergn. body length 4.4 mrn. nias. ividth 1.5 niin: S (Gn . Merapi) -37 terga. body iength h r i i r n . nias. \\.iclth 2.6 nirn: 12 (topotype) 31 terga. body length 44 rnrn. mas. width 1.S nirn. See Fig. 7.

Body regirlariy tiiperinp and rounded in both ends. more tapering posteriorly.

C'oloiir (Figs 2 4 ) : Dorsaiiy diirk brotvn ivith a pair ot I3road yelkxvish p:irarnedian brinds. Ventrally yellowish h i i t iaternl halfof'v.ings' clarli brown. (The paralectotype i.; now hlcachect biit Pocock's drscription o f the colour iiiatches that seen in tiie tresti specirnens). Antennae iii ;ir hl ecl d a r k l3ron.n .

C

LI - c

/ ) o s t ~ ~ r i o r goiinpor1.r ( P 10) also leglike. more slencler rli;iri P9. with tive clcarly seprirated podornerss (Fips S. 9). Terniinal podoirirre clr;i\vn o u t i n t o loiig, th in tip. \vith ninrked incision c;i. l/-3 frorn basis in larger niale. traces of :in incisioii in paralectotype rnaie: ca. 4 5 frorn bnsis wi th 'crcnvn' o f three spinrs (only two spines visible in Figs S. 0 ) . Apical l h abruptly thinner thnn basnl part. ivith \c.\.criil latero-distad spines.

12

(;eniis liiriidicryptiis geii. 11.

13

' 4 , 1 I I

,

F

U

F M

F u u

u U

TI.,III. r~irireriril Oior sceri). Specirnens from Canary Islands (Trnerife: Anapa hlts.. Pico del Ingles, and La Gomera: l l o n t e El Cedro).

5 2!-55 tci-g;i, i x d y Iciigh .:!-lO mni. ivieitl i 0.75-1 .OS niiii; i C mas. 5s tersa. nias. Iwtly lcngth 12 mm. nias. u i t i th I .2J nini. Fcm;iles sli$tly broader than males with [tit. wnie niiiiibcr of terga. Sce Fig. 1s.

Bocly rcgiil;irIy roiinclcd i n hoth ends.

Teiierife and probably helong to stadium 11. The nest size-class (stadium?) is represented by juveniles with 10 tcrgo and 13 leg-priirs. 1 1 tersa and 15 Ieg-pairs (Fig. 36). anci 12 tergites and 17 les-pirs . The sniallest specinien h o \ v i n g iiicipient transforniation o f Ieg-pairs 9 and 10 into ponopocis hrid 16 terpa iind 15 ieg-pairs. Al1 esamined spcciiiiens have a n odd nuniber of leg-piirs. unlike Poly- x m i i i t n gerr~iciiiiciitn and Hirirdisomn larirni.

Phylogenetic discussion

.Sip/ioriocr~,priis and Hirirdicr:\prirs doubtlessly agree in a niiinhrr of characters ivhich do not occur, o r are not 3iipposed to occur. in other Polyzoniida. The t\vo genera. Iici\~e\.e r . al s o di ffer sign i tican t I! i 11 se\wal c harac ters. E x h of these chxacters are discussed in the present wc-tion in ordcr to tind out \vhether the similnritv betiveen thc t\vo gencra i s due to syniipornorph!. o r not.

Characters 1-7 are the .special sirnilarities' betneen .Sii)íi[)riocr\i~rii.\ rinei ~ f I r i i [ i ; i . ~ ~ . i ~ t i i . ~ :

/ I Tt,t.,qi ic,iríi (i corqdc ' f t> i7iitl-dorsril siiriire. On piirel! ciiibryological grourids. the prescnce of ;I rnid-dorsal w t i i r t is rcgarcieti as pri i i i i~i~~e (Enghof! 1990). A com- plete suture ic k n w v n froiii no other Polyzoniida than Sii'honocr!ptidae. biit Hoftniiin ( 1977) described a short longitudinal mid-dorsal groove in Sipliorrotirs (Siphonoti- d x ) which may he homologoiis wi th a proper suture. A ni o n 9 o t he r Co I o bog n a t h a. 1V ;i t y dcsin id a Ii ave a ni i ci - doi-s;ii siirtire. Siphorioptiorid~i do not .

1 t is thereforc quite possiblc t l in t thc iiiid-dorwl siitiirc i 4 ;I s!iiiplcsioniorph !.

b, 'i

p

A

Rei.isioti of' Siphotiocryptidae 39

I'rospect