Answer: dipterous

AnswerCrossword Clue
dipteroushaving two winglike appendages, as seeds or stems
dipteroushaving two wings, as certain insects; belonging to the order Diptera
dipterousbelonging or pertaining to the order Diptera, comprising the houseflies, mosquitoes, and gnats, characterized by a single, anterior pair of membranous wings with the posterior pair reduced to small, knobbed structures