scopula

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scopula

[′skäp·yə·lə]
(zoology)
A tuft of hair, as on the feet and chelicerae of certain spiders.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Scopulae of metatarsus IV sparse, occupying 1/2 of its total length, divided by setae.
Scopulae divided on tarsi I-V (more dense and projected anteriorly on tarsi I-II, resembling claw tufts) and on anterior fourth of metatarsi I-II.
Legs: leg formula IV > I > II > III; uniformly dark brown, apical segments somewhat darker; dense scopulae on tarsi, metatarsi and apical two thirds of tibiae of leg I and II, on tarsi and metatarsi of leg III and tarsi of leg IV; spination of leg I: Femur: 3 dorsal, 2 apicoprolateral, 1 apicoretrolateral; patella: 1 prolateral; tibia: 3 ventral pairs, 1 prolateral; metatarsus: 3 ventral pairs, 1 apicoventral.
Below is a list of Ischnocolinae species used for tarsal scopulae condition and carapace length:
22-24) variable shades of dark brown, with light scopulae on tarsi I--II; tibia I with row of 5 long retro-ventral macrosetae and distal pair of prolateral clasping spurs; metatarsus I with 3 pro-ventral and 9 retro-ventral macrosetae; tarsus I with 9 pro-ventral and 14 retro-ventral macrosetae.
It can be distinguished from Tmesiphantes hypogeus by the position of urticating setal patch in the middle of abdomen (in posterior half in Tmesiphantes hypogeus), the well-developed scopulae on metatarsi I and II covering 80-100% of this leg segment (30% in tarsi I and II in T.
Chelicerae yellowish brown, broad basally, gradually narrow anteriorly; promargin with two teeth, lower small, upper large; retromargin with two teeth, lower farther low, upper higher than respective promarginal teeth; fangs dark brown, short, strongly curved, with scopulae at base.
Tarsal claws are bipectinated (two rows toothed like a comb) and all tarsal scopulae are divided longitudinally by a narrow row of setae ...
Ventral tarsal scopulae I-II undivided, dense, III divided, distal 3/4 dense, proximal quarter sparse, IV divided, distal half dense, proximal half sparse.
Though wolf spiders lack true scopulae on their tarsal claws and thus cannot climb smooth vertical surfaces (Fuelix 1982), they can climb metal barriers to which dirt has adhered (J.
1996, Schmidt 1999, 2000), along with differences in the leg and body measurements, the disposition of eyes and scopulae, coloration (Simon 1892; Pocock 1903; Mello-Leitao 1923; Schiapelli & Gerschman de Pikelin 1979; Raven 1985; Smith 1995; Prentice 1997), the type of urticating setae (Cooke et al.
but strongly divergent in Phrixotrichus, by the different morphology of the male palpal bulb having the embolus projecting retrolaterally from tegulum (contra posteriorly in Phrixotrichus, Figures 32-33), furthermore by the presence of basal spine on prolateral tibial apophysis (absent in Phrixotrichus), the absence of the type IV urticating setae and by paired tarsal claws denticulate (smooth in Phrixotrichus); from Tmesiphantes hypogeus by the position of urticating seta patch in the middle of abdomen (contra in posterior half in Tmesiphantes hypogeus), the well-developed scopulae on metatarsi I and II covering 90-100% of this leg segment (contra 30% in tarsi I and II in T.