Thrips tabaci

Body length and color highly variable depending on temperature during development. Head with ocellar setae III small, arising on anterior margins or just within ocellar triangle; postocular setae I to III subequal in length. Antennae 7-segmented. Pronotum with 2 pairs of rather short posteroangular setae. Metanotum irregularly reticulate medially, lines converging to midpoint of posterior margin. Forewing first vein usually with 4 (range 2–6) setae on distal half. Tergite VIII with complete comb of long slender microtrichia; tergite IX with S1 setae at level of S2 setae and subequal in length to S2 setae, their bases equidistant; pleurotergites without discal setae, sculptured with rows of fine microtrichia. Sternites III–VIII each with a transverse narrow pore plate; sternites IV (or III) to VIII with S1 setae, VII to VIII also with S2 setae, in front of posterior margin.

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