Psilalcis inoueorum Sato, 2008 -

Taxonomic Information

Psilalcis Warren, 1893 species known from India. 
Psilalcis albibasis Hampson, 1895. India: Uttarakhand, West Bengal, Arunachal Pradesh, Sikkim; Nepal. 
Psilalcis bisinuata (Hampson, 1895). India: Sikkim, Meghalaya, West Bengal.
Psilalcis breta breta (Swinhoe, 1890). India: Nilgiris Hills, Kerala, Uttarakhand, Maharashtra, Meghalaya, Sikkim, Arunachal Pradesh.
Psilalcis conspicuata (Moore, 1888). India: West Bengal (Darjeeling), Arunachal Pradesh.
Psilalcis dierli Sato, 1995. Nepal; India: Uttarakhand (Kumaon, Nainital).
Psilalcis inceptaria (Walker, 1866). India: Nilgiris, Karnataka, Tamil Nadu, Kerala.
Psilalcis indistincta (Hampson, 1891). India: Nilgiris.
Psilalcis inoueorum Sato, 2008. Myanmar (TL); India: Arunachal Pradesh. 
Psilalcis pallidaria (Moore, 1888). India: West Bengal (Darjeeling), Uttarakhand, Arunachal Pradesh, Sikkim.
Psilalcis rufaria (Warren, 1896). India: Meghalaya (Khasi Hills).
Psilalcis subochrea (Warren, 1896). India: Meghalaya (Khasi Hills).
Psilalcis subtochracea (Hampson, 1902). India: Nilgiris, Kerala.
Psilalcis thricophora (Hampson, 1895). India: Sikkim.

Genitalia dissection is the only way to separate Psilalcis breta, Psilalcis indistincta, Psilalcis subtochracea and Psilalcis inceptaria with certainty.

Photo Gallery and Species Biology

StateJanFebMarAprMayJunJulAugSepOctNovDecNo date
Andaman and Nicobar Islands
Andhra Pradesh
Arunachal Pradesh421
Assam
Bihar
Chandigarh
Chhattisgarh
Dadra & Nagar Haveli
Daman & Diu
Delhi
Goa
Gujarat
Haryana
Himachal Pradesh
Jammu and Kashmir UT
Jharkhand
Karnataka
Kerala
Ladakh UT
Lakshadweep
Madhya Pradesh
Maharashtra
Manipur
Meghalaya
Mizoram
Nagaland
Odisha
Paschimbanga
Pondicherry
Punjab
Rajasthan
Sikkim
Tamil Nadu
Tripura
Uttar Pradesh
Uttarakhand
West Bengal
Total421
  1. Psilalcis inoueorum Sato, R., 2008. Two new species of the genus Psilalcis (Geometridae, Ennominae) from Myanmar. Tinea 20 (4): 209-212.
  2. Sondhi, S., Singh, R.P., Pawar, U. and Kunte, K., 2025. Additions to the moth (Lepidoptera) fauna of India from the eastern Himalaya and northeastern region: Part 2. Tropical Lepidoptera Research, pp.1-13.
  3. https://www.naro.affrc.go.jp/archive/niaes/inventory/insect/dblepi/067_p_inoueorum.html
  4. https://www.inaturalist.org/taxa/1413305-Psilalcis-inoueorum

Page citation

D'Silva, J. & S. Sondhi 2025. Psilalcis inoueorum Sato, 2008 – . In Sondhi, S., R.P. Singh, G. Iyer, J. D'silva and K. Kunte (Chief Editors). Butterflies of India, v. 4.11. Published by the Indian Foundation for Butterflies. URL: https://www.mothsofindia.org/index.php/Psilalcis-inoueorum, accessed 2025/11/10.