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The Eastern Dappled White (Euchloe ausonia) is a southern Europe and Eurasian butterfly found mostly to the south and east of its almost indistinguishable relative the Western Dappled White.

The wingspan is 36–48 mm. In most of its range, there are two generations. Adults are on wing from the beginning of March to the beginning of July. In mountainous and very dry areas, there is only one generation.

The larvae feed on the flowers and young fruits of Sinapis arvensis, Isatis tinctoria, Isatis glauca, Aethionema saxatile, Iberis sempervirens, Biscutella mollis, Biscutella laevigata, Bunias erucago and Aurinia saxatilis.

Systematics and subspecies [edit]

The three species Euchloe ausonia, Euchloe crameri and Euchloe simplona are closely related. Many authors refer to these species as the Euchloe ausonia-complex, -superspecies or -speciesgroup. Sometimes Euchloe naina is also added to this group, but the placement of this species as a subspecies of Euchloe simplonia or valid species is disputed by others. Because of these taxonomic problems, the number of subspecies is not cenrtain. The following subspecies are listed:

• Euchloe ausonia maxima Verity, 1925 (Crimea)
• Euchloe ausonia graeca (Verity, 1925) (Greece, southern Siberia)
• Euchloe ausonia pulverata (Christoph, 1884) (Tien Shan)
• Euchloe ausonia volgensis Krulikovsky, 1897 (southern Russia)
• Euchloe ausonia melisande Frühstorfer, 1908 (Jordan)

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Pearl White, Euchloe ausonia subspecies dephalis is a small butterfly of the Family Pieridae, that is, the Yellows and Whites, which is found in India.

References

• Evans, W.H. (1932) The Identification of Indian Butterflies. (2nd Ed), Bombay Natural History Society, Mumbai, India
• Gaonkar, Harish (1996) Butterflies of the Western Ghats, India (including Sri Lanka) - A Biodiversity Assessment of a threatened mountain system. Journal of the Bombay Natural History Society.
• Gay,Thomas; Kehimkar,Isaac & Punetha,J.C.(1992) Common Butterflies of India. WWF-India and Oxford University Press, Mumbai, India.
• Kunte,Krushnamegh (2005) Butterflies of Peninsular India. Universities Press.
• Wynter-Blyth, M.A. (1957) Butterflies of the Indian Region, Bombay Natural History Society, Mumbai, India.

See also

• Pieridae
• List of butterflies of India
• List of butterflies of India (Pieridae)