Class: CrustaceaSubclass: Copepoda

Order: Eucopepoda Suborder:Cyclopoida

Mesocyclops edax Forbes

Description:

Plate 024a. Lateral view of female Mesocyclops edax.Plate 024b. 1st antennae of Mesocyclops edax, usually containing 17 segments.Plate 024c. The 2nd antennae of Mesocyclops edax (upper right and left) and 2nd maxillae of same (bottom). The toothed hyaline lamella of 1st segment is easilyPlate 024d. The 5th leg of Mesocyclops edax.Plate 024e. Caudal rami of Mesocyclops edax.

Number of segments in 1st antennae usually 17; the hyaline lamella of last segment of 1st antennae is notched with ventrally curved teeth. This common and wide spread species may be confused with Macrocyclops fuscus. The inner margin of the caudal rami containing hairs. The placement of the lateral spine on the caudal rami is nearly midway between last abdominal segment and terminal setae.

Plate 024a. Lateral view of female Mesocyclops edax.

Plate 024b. 1st antennae of Mesocyclops edax, usually containing 17 segments. The toothed hyaline lamella of last segment is easily seen.

Plate 024c. The 2nd antennae of Mesocyclops edax (upper right and left) and 2nd maxillae of same (bottom).

Plate 024d. The 5th leg of Mesocyclops edax.

5th leg

Plate 024e. Caudal rami of Mesocyclops edax.

hairs

Plate 024f. Last segment of 1st antennae of Mesocyclops edax.

Strong teeth turned backwards