Thrips setosus

Body length about 1.2–1.5 mm. General body color brown; antennal segments I–II brown, III yellow, IV yellow with distal half to third brown, V yellow with distal half brown, VI–VII brown. Head with ocellar setae III on margin or outside ocellar triangle, posterolateral to fore ocellus; postocular setae longest, longer than longitudinal diameter of hind ocelli, setae II and IV minute. Antennae 7-segmented; segment II with some microtrichial rows on dorsal surface; III–IV weakly rounded at each side and gently tapering to apex; IV and V pedicellate; VI slightly rounded at each side of basal half and tapering to apex, longest, with about 12 setae. Pronotum distinctly sculptured with transverse striae, with 20–24 discal setae. Mesonotum with CPS anteromedially, lines of sculpture absent around anteromedian CPS. Metanotum with no lines of sculpture extending mesad of S1 setae. Fore wing first vein with seven basal and three distal setae. Tergite II with 3 lateral marginal setae, usually without small seta on pleurotergite II near tergite; tergite IX with S1 setae at level of S2 setae and subequal to or slightly shorter than S2 setae, their bases equidistant; posteromarginal setae 3 pairs, setae I about twice as long as others. Pleurotergites III–VII with one to three discal setae and no ciliate microtrichia. Abdominal sternites and pleurotergites without discal setae.

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