pulvillus

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pulvillus

(pŭl-vĭl′əs)
n. pl. pul·villi (-vĭl′ī′)
A soft, cushionlike pad on the foot of an insect, such as the housefly, by which it clings to a surface.

pulvillus

a cushion or pad between the claws on an insect foot.
References in periodicals archive ?
3], from Pseudophyllodromia (the front and mid tarsi with pulvilli on the 4 proximal tarsomeres, hind tarsus with a pulvillus only on the fourth tarsomere) by pulvilli present only on the fourth tarsomere of all legs.
5 times as wide as first flagellomere, genal height about 1/2 of eye height; ventral surface of front legs without tenant hairs, basal part of hind femur with 2-3 fringes, claw and pulvilli slightly short, about 2/3 of fifth tarsomere in length; others characteristic the same as male's.
lamellata only) but half as long, and pulvilli are diminutive, about 1/4 length of the claws.
Legs: Dark red-brown to black except for distal tips of femora and proximal ends of tibiae which are narrowly orange-brown, macrosetae brown-red, fine setae whitish; coxae extensively silver pruinose, white setose; claws, pulvilli and empodia moderately well developed.
DIAGNOSIS: Easily recognized by the concave head, short appressed shining pubescence on dorsum, a dark spot at each apex of the embolium and cuneus in all Nepalese species, greatly enlarged metafemur, the large pulvilli covering almost the entire interior surface of the claws, splayed out left paramere (Fig.
Claws slender and moderately long, with large pulvilli extending over most of ventral claw surface (Fig.
8 x of the body length) and fore tarsomeres modified, including enlarged pulvilli and reduced claws.
Legs: Entirely black; fore tibia with 2 medial p; mid femur without distinct av rows, with row of seta-like a, complete row of pv, becoming shorter apically; mid tibia with 1 ad, 2 p, row of short and seta-like pd and 2 strong pv; mid tarsomere 1 with row of long pd, slightly longer than its diameter; hind femur with complete row of av, becoming shorter apically, only with pv on distal part; hind tibia with 7 av (3 short basally), row of ad (2-3 strong), row of pd (2 developed), and 6-7 pv on basal 3/5; all tarsi shorter than tibiae, claws and pulvilli large.
SE, F, 7D, 9C): parempodia setiform, pulvilli relatively large, attached to most of ventral suface of claws: claws ventrolaterally with from one to six ventrally directed hairs (Figs.
The pulvilli of Nycteribiidae and Strebilidae (Figs 44, 46) are composed of long narrow, closely-packed linear structures; in Nycteribiidae apically-expanded and in Strebilidae forming a mat of "hairs".
Thorax: Anatergites bare; metepisternal macrosetae present; postmetacoxal area membranous; pulvilli well developed; wing with cells r1 and m3 open at margin; costal vein extending around entire wing margin (although weakly around anal cell and alula); 'stump-vein' at base of R4 absent.
Legs: Slender, dark red-brown to black (distal parts of prothoracic femora and proximal parts of tibiae may be are slightly orange), bases of claws orange-brown, pulvilli brown-orange.