Subspecies in India
(1) Byasa polyeuctes polyeuctes (Doubleday, 1842) – Sylhet Common Windmill
(2) Byasa polyeuctes letincius (Fruhstorfer, 1908) – West Himalayan Common Windmill
Conservation and Special status
This species is not legally protected in India under any schedules of WildLife (Protection) Act, 1972.
Photo Gallery and Species Biology
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This species has been recorded so far from Arunachal Pradesh, Assam, Himachal Pradesh, Jammu & Kashmir UT, Manipur, Nagaland, Odisha, Puducherry UT, Sikkim, Tamil Nadu, Telangana, and West Bengal, within the Indian limits.
This is a common species.
| State | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | No date |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Andaman and Nicobar Islands UT | |||||||||||||
| Andhra Pradesh | |||||||||||||
| Arunachal Pradesh | 1 | 9 | 4 | 4 | 2 | 8 | 5 | 4 | |||||
| Assam | |||||||||||||
| Bihar | |||||||||||||
| Chandigarh | |||||||||||||
| Chhattisgarh | |||||||||||||
| Dadra & Nagar Haveli UT | |||||||||||||
| Daman & Diu UT | |||||||||||||
| Delhi | |||||||||||||
| Goa | |||||||||||||
| Gujarat | |||||||||||||
| Haryana | |||||||||||||
| Himachal Pradesh | 1 | ||||||||||||
| Jammu and Kashmir UT | 1 | ||||||||||||
| Jharkhand | |||||||||||||
| Karnataka | |||||||||||||
| Kerala | |||||||||||||
| Ladakh UT | |||||||||||||
| Lakshadweep | |||||||||||||
| Madhya Pradesh | |||||||||||||
| Maharashtra | |||||||||||||
| Manipur | 1 | 1 | |||||||||||
| Meghalaya | |||||||||||||
| Mizoram | |||||||||||||
| Nagaland | 1 | 2 | 1 | 1 | 1 | ||||||||
| Odisha | |||||||||||||
| Puducherry UT | |||||||||||||
| Punjab | |||||||||||||
| Rajasthan | |||||||||||||
| Sikkim | 17 | 15 | 2 | 4 | 2 | ||||||||
| Tamil Nadu | |||||||||||||
| Telangana | |||||||||||||
| Tripura | |||||||||||||
| Uttar Pradesh | |||||||||||||
| Uttarakhand | 1 | ||||||||||||
| West Bengal | 1 | 1 | |||||||||||
| Total | 2 | 11 | 21 | 24 | 1 | 6 | 12 | 8 | 5 |
Page citation
Yadav, N., and K. Kunte. 2026. Byasa polyeuctes (Doubleday, 1842) – Common Windmill. In Kunte, K., S. Sondhi, and P. Roy (Chief Editors). Butterflies of India, v. 4.12. Published by the Indian Foundation for Butterflies. URL: https://www.ifoundbutterflies.org/byasa-polyeuctes, accessed 2026/06/08.