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Remarks:
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fronto-orbital plate of male and female bare outside frontal row; 2 postsutural intra-alar setae; 2 katepisternal setae; scutellum black with 2 pairs of marginal setae (basal, apical); legs entirely black; mid tibia with 1 anterodorsal seta; second costal section usually bare ventrally; wing cell r4+5 open to wing margin; abdominal tergites entirely covered with dense pruinosity; setulae on abdomen of male often erect dorsally
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