calypter


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  • noun

Synonyms for calypter

scalelike structure between the base of the wing and the halter of a two-winged fly

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References in periodicals archive ?
Calypter yellowish with dense darkish brown microtrichae, margin with brownish setulae.
Medium to large flies; male holoptic; lower calypter narrow, rounded posteriorly, with anteromedian angle distinctly lateral to base of scutellum, not directed towards the scutellum; subcostal sclerite and basal section of stein vein bare (remigium); apical tip ofparaphallus with denticles.
2-Rim and fringe of lower calypter brown with brownish setae; male surstylus broader in lateral view; cerci broad in posterior view (see Whitworth 2012, figs.
Wing: Base fuscous, basicosta black; costa setulose only basally on ventral surface; costal spine shorter than cross-vein r-m; radial node bare, calypters brown; lower calypter slightly shorter than upper one; halter yellow.
Dorsal surface of upper calypter bare in male, with long hairs in female.
It unquestionably belongs to the calyptrate family Anthomyiidae because of the following combination of characters: (1) head holoptic in male, dichoptic in female; (2) female with a pair of crossed interfrontal setae; (3) lower calypter well developed; (4) tiny hair-like setulae present beneath tip of scutellum; (5) vein A1 extended to wing margin as a weak fold; (6) male surstyli and cerci united by vertical sclerotized connections immediately distal to lateral cercal apodemes; (7) spiracles VI and VII present in female abdomen.
Anterior katepisternal seta present; lower calypter not broad and truncated, tongues-haped, of the Phaonia-type (see couplet 6 for description); [R.
1+2] bend, lower calypter with sparse dark ciliae, halter yellow-brown; legs black; abdomen with light pruinosity, only tergite 5 with many discal setae, epandrium and basal parts of surstyli red-brown, paraphallus short, distiphallus long.
Haltere stem yellow, knob black or blackish; calypteres more-or-less equally wide, hyaline, with margin of dorsal calypter partly blackened.
Upper calypter long black ciliate, longest ciliae as long as alula width.
The upper calypter is reduced and modified to carry a number of long, ventrally-directed spines, prominent posteriorly, and the lower calypter is scale-like with a fringe of setae similar to the shorter setae on the upper calypter.
1], 1:16; lower calypter yellow with pale setae (mostly broken in unique specimen); halter yellow.
Some eggs were situated in unusual body parts, difficult to access, such as the ventral part of the abdomen and between the two calypters (Figs 5-7).
The member of the family can be recognized by the following combination of characters: lower calypters glossiform or ovate, diverging from scutellum; posterior spiracle triangular without a distinct operculum, with both anterior and posterior fringes reduced; subscutellum distinctly developed, but not strongly developed as in Tachinidae.