
- 1. Erect head scales on vertex (V) and/or occiput (Occ)
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- 2. Antennal flagellomere I (Flm1) elongate in some species
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- 3. Acrostichal (AcS) and dorsocentral (DS) setae present
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- 4. Prespiracular setae absent
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- 5. Postspiracular setae absent
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- 6. Pulvilli (Pv) absent
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- 7. Anal vein (1A) ends at or slightly beyond base of mediocubital crossvein (mcu)
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- 8. Alula (Al) bare or with broad recumbent scales on dorsal margin
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- 9. Wing upper calypter (UC) with a fringe of setae or hair-like scales
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