Females: Body elongate; Ur larger than half Pr; A1 almost longer than Pr; longest terminal seta on left CR very short. More characters can be accessed by backtracking the key: Page 666
Males: Right P5 Exp2 with inner rounded projection bordered by hairs. More characters can be accessed by backtracking the key: Page 888
Kingdom Animalia Phylum Crustacea Class Maxillopoda Subclass Copepoda Order Calanoida Family Heterorhabdidae Genus Heterorhabdus Species Heterorhabdus vipera
