cercus


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cercus

 [ser´kus]
a bristle-like structure.

cer·cus

, gen. and pl.

cer·ci

(ser'kŭs, ker'kŭs),
1. A stiff hairlike structure.
2. A pair of specialized sensory appendages on the 11th abdominal segment of most insects.
[Mod. L., fr. G. kerkos, tail]

cercus

(sûr′kəs, kĕr′-)
n. pl. cerci (sûr′sī, -kī, kĕr′kē)
Either of a pair of appendages located near the tip of the abdomen in many insects and certain other arthropods, usually having a sensory function.

cer·cus

, gen. and pl. cerci (ser'kŭs, ser'sī)
A stiff hairlike structure.
[Mod. L., fr. G. kerkos, tail]

cercus

a bristle-like structure.
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References in periodicals archive ?
Epandrium with 4 strong, long black setae; surstylus with upper blade of bifurcated tip swollen, the lower one slightly swollen and shorter than upper one; cercus arched with ventral appendix.
This new species is similar to Chrysotimus xuae Wang, Yang & Grootaert by the brown hairs and bristles on thorax, and the furcated surstylus, but may be separated from the latter by the 7-8 short and black ventral bristles on hind tarsomere 1 base, and the cercus with acute apex.
2 Mesonotum mostly bare of microtomentum, shiny and with bicoloured pattern of dark brown and yellowish orange; cercus of [male] bearing 5 stout, tooth-like setae
Remarks: This genus is assigned to the subfamily Trichopezinae on the basis of the presence of an internal apodeme arising from the anterior margin of the female tergite 8, in addition to female tergite and sternite 8 articulated anteroventrally, female cercus heavily sclerotised and female tergite 7 with fringe of setae along posterior margin (as in Fig.
Epandrium irregularly hemispherical with strong setae; surstylus elongate and margin with dense setulae; cercus bifurcated and with long setae (Figs.
male] mid tibia without tuft of long, dense white setulae apically; base of surstylus with tuft of dense black setulae about as long as width of cercus (Smith 1967: 58, fig.
Wing with more than 10 small white spots; clasping cercus rather wide, not finger-like
Cercus and hypovalve reduced and modified as in all Ellipteroides (Protogonomyia) species.
Male terminalia: Epandrium, dististylus and cercus yellowish; dististylus (Fig.
Female terminalia: Cercus elongate, 2-segmented, segment 1 larger than segment 2.