Comprehensive Description

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General Description

The body varies around 1.3mm in length, and is pale yellow. The head and thorax are a brighter yellow. The extreme apex of antennal segment 4, the apical third of segment 5, the apical half of segment 6, all of segments 7 and 8, and the bases of both pairs of wings are brown. Both the fore and hind wings also have a brown band in the middle. The head lacks setae close to the fore ocellus. Females are macropterous. The area around the spiracles on abdominal segment 8 is stippled, and extends up to the anterior margin (Stannard, 1968). The pronotum has 2 pairs of well developed, epimeral setae, of which the inner pair is longer (Stannard, 1968). Sternites and tergites have a posteromarginal craspedum (including tergite 8) (Mound and Marullo, 1996).

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© University of Alberta Museums

Source: University of Alberta Museums

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