scopula

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scopula

[′skäp·yə·lə]
(zoology)
A tuft of hair, as on the feet and chelicerae of certain spiders.
References in periodicals archive ?
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.
Scopula: Metatarsi I, 1/2 distal, scopulae not dense intermixed with few bristles; tarsi I, full, division with 2-3 rows of thin bristles; metatarsi II, distal half, rudimentary, scopuliform hair intermixed with few bristles; tarsi II, full, divided with 3-4 rows of bristles; metatarsi III, 1/4 distal, few scopuliform hairs intermixed with bristles and spines; tarsi III, full, divided with 6-7 rows of setae; metatarsi IV, few scopuliform hair distally; tarsi IV, full, divided with 6-7 rows of setae.
Chelicerae yellowish brown, broad basally, gradually narrow anteriorly; promargin with two teeth, lower small, upper large; retromargin with one tooth, higher and larger than promarginal teeth; fangs dark brown, short, strongly curved with scopulae at base and on upper side, tapering towards tip.
Maxillae short, broad, converging anteriorly, with distinct scopulae.
Legs short, light brown, distal segments darker, with scopulae on tarsi.
Chelicerae yellowish brown, broad basally, gradually narrow anteriorly, both margins with one tooth, retromarginal tooth higher; fangs dark brown, short, strongly curved, without scopulae.
3); all segments of anterior legs with several spines or spinules (Figs 3, 4), posterior pairs without spines or spinules; leg cusps on anterior legs absent; metatarsi and tarsi with weak scopulae, remaining leg segments covered in short fine setae; all tibiae, metatarsi and tarsi with several dorsal trichobothria; metatarsi III and IV with terminal preening comb.
Instar D has cephalothorax and abdomen in the same plane, pigments present, eyes present, absence of tarsal scopulae and claw tufts, slow locomotion.
Legs I to IV uniform brown to pale yellow; some specimens with incomplete grey bands on all legs; anterior leg pairs more robust than posteriors; moderately dense scopulae on metatarsi and tarsi, remaining leg segments covered in fine, less dense setae; leg spines and cusps present.