(Giesbrecht, 1889)
Females: A1 extends beyond CR by 5 segments. Total length 2.3-3.4 mm. More characters can be accessed by backtracking the key:
Page 673
Males: Left P5 Exp3 with 2 unequal terminal spines, longest about 3 times length of shorter, and 1 shorter subterminal spine. More characters can be accessed by backtracking the key:
Page 883: Copepoda: Genus Hetrostylites males