
- 1. Eyes separated ventrally by two long rows of scales
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- 2. Dorsal head scales mostly broad and flat
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- 3. Proboscis (P) laterally compressed and slightly down-turned
at tip
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- 4. Postspiracular setae (PS) present or absent
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- 5. Acrostichal (AcS), dorsocentral (DS), and prespiracular setae
(PsS) absent
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- 6. Mesomeron (Msm) small, with base more or less in line with
base of hindcoxa (C-III)
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- 7. Wing alula (Al) and upper calypter (UC) with hair-like scales
on margin
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