calypter


Also found in: Thesaurus, Encyclopedia, Wikipedia.

calypter

(kəˈlɪptə)
n
a bastard wing or alula
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.calypter - scalelike structure between the base of the wing and the halter of a two-winged fly
squama - a protective structure resembling a scale
fly - two-winged insects characterized by active flight
References in periodicals archive ?
Upper calypter ridge setulose, lower calypter broad, truncate posteriorly, extending under base of scutellum (fig.
Calypter yellowish with dense brownish microtrichae, margin with thin, sparse long setulae.
Wings with internal margin of the inferior calypter truncated, projecting towards the scutellum; superior calypter slightly infuscate around it (Figs.
Calliphora can be distinguished from other Neotropical calliphorid genera by the following characters: bare stem vein, lower calypter setose above, bare suprasquamal ridge, thorax dull grey with whitish microtomentum, and abdomen subshining metallic blue with more or less whitish microtomentum (Whitworth, 2012).
Legs wholly black, mid femur with complete row of pv, upper calypter brownish suffused, lower calypter paler coei --Legs uniformly testaceous to dark brown, mid femur with 3-5 pv on basal half, calypters yellow to yellow-brown alaba 7.
Anterior spiracle whitish; lower calypter whitish with darkish setulae; the branch of vein M1 + 2 forming acute angle as it approaches the wing edge.
quadricornis Melander, but it can be separated from the latter by the following features: halter darkish brown; calypter yellowish; surstylus narrowed apically; cercus flat apically.
Margin of upper calypter whitish yellow with fringe of short white setulae; margin of lower calypter blackish brown with short white setulae.
Lower calypter yellowish or white with yellow or white margins.
Lower calypter yellow with brownish cilia, haltere yellow.
15 Anterior katepisternal seta absent; lower calypter broad and truncated, of the Musca type (see couplet 6 for description); vein [R.