Diptera

noun plural

Dip·​tera ˈdip-t(ə-)rə 

: a large order of winged or rarely wingless insects (as the housefly, mosquitoes, midges, and gnats) that have the anterior wings usually functional and the posterior wings reduced to small club-shaped structures functioning as sensory flight stabilizers and that have a segmented larva often without a head, eyes, or legs