microtrichia

microtrichia

[‚mī·krō′trik·ē·ə]
(invertebrate zoology)
Small hairs on the integument of various insects, especially on the wings.
References in periodicals archive ?
Magnification of microtrichia in the medial section of the Reuter's sensitive patch.
Evaluation of phytochemical screening and analgesic activity of aqueous extract of the leaves of Microtrichia perotitii dc (Asteraceae) in mice using hotplate method.
Wings: Wing vein R4+5 slightly dipped; second basal cell microtrichose; alula covered by microtrichia
(U.) bingoparadoxum is characterized by the following combination: anal point robust, nearly parallel-sided and abruptly tapered to near pointed apex; superior volsella robust, abruptly narrowed apically to hook-shaped form, with two basal setae and one lateral seta, covered with microtrichia.
Some species have dense microtrichia while others have rather sparse microtrichia that make it more difficult to establish patterning.
Wing partially covered by microtrichia; basally has small bare areas (extending beyond level of r-m in cells [r.sub.1], [r.sub.2+3] and [r.sub.4+5]).
Tufts of cuticular microtrichia or spines cover the entire internal surface of the sheaths near the apex (Fig.
Endosoma (partially inflated) without protruding lobes on proximal half; distal half with medial paired dorsal sclerites and dense areas of microtrichia (Figs.
g., with ocelli; epistomal sulcus developed only laterally, not present dorsally; lacinia bicuspid, with outer cusp bidentate; tarsi two segmented; Rs stem in forewing flexuous; Rs-M in forewing joined by a crossvein; fore- and hindwing membranes with abundant microtrichia; veins in basal half of forewing [except Cu2] with two rows of setae; areola postica small; pterostigma much broader posteriorly).