(noun; plural alulae
; Latin diminutive ala
, wing): (Arthropoda
) 1. In some Diptera, one of the membranous
lobes in the region of the wing base
, thought to be part of the vannal region
See also: thoracic squama, alar squama. 2. In some Coleoptera, the alula is folded beneath the elytron/jugum.