dipteran
adjective
dip·ter·an ˈdip-tə-rən 
: of, relating to, or being a fly (see fly entry 4 sense 2a)
dipteran noun
dipterous
ˈdip-t(ə-)rəs
adjective 
Word History
Etymology
ultimately from Greek dipteros two-winged, from di- + pteron wing — more at feather
First Known Use
circa 1842, in the meaning defined above
Medical Definition
dipteran
noun
dip·ter·an ˈdip-tə-rən
: any insect of the order Diptera