The Collaborative International Dictionary
Heterogynous
Heterogynous \Het`er*og"y*nous\, a. [Hetero- + Gr. ? a woman, female.] (Zo["o]l.) Having females very unlike the males in form and structure; -- as certain insects, the males of which are winged, and the females wingless.
Wiktionary
heterogynous
a. (context zoology English) Having females very unlike the males in form and structure.