Back to 106a - Back to content
107 a. Hyaline process of the 3rd last segment of the right first
antenna of male short and serrated. Basis of male fifth leg
with 3 sigmoid protrusions. Front part of female abdomen
with peg-like spines on genital segment.
Filippinodiaptomus.......................................119
107 b. Hyaline process of the 3rd last segment of right first
antenna of the male membranous without serration. None
sigmoid protrusions on basis of male right leg. No
peg-like processes on the female abdomen.
Mongolodiaptomus.........................................120
108 a. Abdomen not clearly separated from the anterior part of the body.
LERNAIDAE (family)
Lernaea..................................................133
108 b. Abdomen distinct from the anterior part of the body.........109
109 a. Second antenna small without a large claw.
First antenna long, up to 17 segments (6-21 worldwide).
CYCLOPOIDA (order)
CYCLOPIDAE (family)......................................110
109 b. Second antenna large, with a large claw for grasping.
First antenna short with 6 segments.
ERGASILIDAE (family)
Ergasilus................................................134
To 110a