Lepidoptera > Papilionoidea > Papilionidae > Papilioninae > Troidini > Byasa
Byasa crassipes (Oberthür, 1893) – Black Windmill
Subspecies in India:
No subspecies are listed under this species.
This species is legally protected in India under Schedule I of the Wildlife (Protection) Act, 1972.

- Photo Gallery
- Early stages
- Distribution
- Identification
- Status, Habitat and Habits
- Larval Host Plants
- References
Early Stages:
Indian and global distribution:
records (based on images):
This is historically known from Manipur and Naga Hills, but there are no recent records of this species from India. The sighting reported here from Dibang Valley appears to be a rediscovery of the species in this area, and a range extension of the species into E. Arunachal Pradesh.
The precise locality of recent sightings of this very rare species is being withheld to protect this population from illegal collecting until forest officials and other authorities put safety measures in place.
The precise locality of recent sightings of this very rare species is being withheld to protect this population from illegal collecting until forest officials and other authorities put safety measures in place.
Larval Host Plants:
Not known in India.
Identification:
Sexual, seasonal & individual variation:
Status, Habitat and Habits:
This species is legally protected in India under Schedule I of the Wildlife (Protection) Act, 1972.
Very rare, known only from Manipur and Naga Hills in India before, and now from E. Arunachal Pradesh. Appears to be uncommon throughout its range, from NE India to Indo-China.
Information such as the precise locality is being withheld to protect this population from illegal collecting until forest officials and other authorities put safety measures in place.

Very rare, known only from Manipur and Naga Hills in India before, and now from E. Arunachal Pradesh. Appears to be uncommon throughout its range, from NE India to Indo-China.
Information such as the precise locality is being withheld to protect this population from illegal collecting until forest officials and other authorities put safety measures in place.
References:
Lepidoptera > Papilionoidea > Papilionidae > Papilioninae > Troidini > Byasa
Cite this page along with its URL as:
Roy, A. B., Y. Matsuda, and J. G. Bhoir. 2021. Byasa crassipes (Oberthür, 1893) – Black Windmill. Kunte, K., S. Sondhi, and P. Roy (Chief Editors). Butterflies of India, v. 3.06. Indian Foundation for Butterflies.
http://www.ifoundbutterflies.org/sp/3188/Byasa-crassipes