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10. Platychasmatinae Nakamura, 1956

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Chapter Summary

This chapter presents taxonomic note, diagnosis, bionomics and distribution of the following species: Platychasma virgo, Platychasma fiavida and Cyphanta chortochroa. Platychasma virgo differs from its Chinese sister species flavida in having a smaller wing length and rounded shape of the forewing margin. Platychasma fiavida is similar to virgo but larger in wingspan and has a less rounded margin of the forewings. The green marked post median fascia is narrower than in virgo. The male genitalia are characterized by the bilobed apex of the valves and sinuous shape of the sacculus costa. The phallus is shorter than in virgo and rather straight. Cyphanta chortochroa differs from its Chinese sister species canochlora in the smaller greyish postmedian spot and the finer greyish basal patch of the forewings. Cyphanta chortochlora was found scattered in NW India, Nepal, NE India, Myanmar, Thailand, Vietnam and China.

Keywords: Cyphanta chortochroa; Platychasma fiavida; Platychasma virgo; Platychasmatinae Nakamura



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