Taxonomic Information
35+ Mythimna Ochsenheimer, 1816 species known from Indian subcontinent.Mythimna Ochsenheimer, 1816 species known from Indian subcontinent:
Mythimna fraterna (Moore, 1888). India: Himachal Pradesh (Kangra: TL).
Mythimna hackeri Hreblay & Yoshimatsu, 1996. India: Sikkim; Nepal.
Mythimna legraini (Plante, 1992). India: West Bengal (TL).
Mythimna sinuosa (Moore, 1882). India: West Bengal (Darjeeling: TL), Arunachal Pradesh.
Mythimna khasiensis Hreblay, 1998. India: Meghalaya (Khasi Hills :TL).
Mythimna suavina Hreblay, 1998. Myanmar (TL).
Mythimna bicolorata (Plante, 1992). India: West Bengal; Nepal.
Mythimna godavariensis (Yoshimoto, 1992). Nepal (TL).
Mythimna anthracoscelis Boursin, 1962. Nepal.
Mythimna fasciata (Moore, 1881). India: West Bengal (Darjeeling: TL); Nepal.
Mythimna furcifera (Moore, 1882). India: West Bengal (Darjeeling: TL); Nepal.
Mythimna ferrilinea (Leech, 1900). Nepal.
Mythimna pastellina Hreblay & Legrain, 1996. India: West Bengal (Darjeeling: TL), Sikkim, Assam; Nepal.
Mythimna rubrisecta (Hampson, 1905). Bhutan (TL).
Mythimna denticula (Hampson, 1893). Sri Lanka (TL).
Mythimna sinuosa (Moore, 1882). India: West Bengal (Darjeeling: TL).
Mythimna daemona Hreblay & Legrain, 1996. Nepal.
Mythimna languida (Walker, 1858). India; Nepal.
Mythimna lineatipes (Moore, 1881). India: Meghalaya (Cherrapunji: TL); Nepal.
Mythimna nainica (Moore, 1881). India: Uttarakhand (Nainital: TL); Nepal.
Mythimna percisa (Moore, 1888). India: Himachal Pradesh (Kangra: TL).
Mythimna insularis (Butler, 1880). India: Punjab.
Mythimna irrorata (Moore, 1881). NW Himalaya.
Mythimna multipunctata (Hampson, 1918). India: Meghalaya (Shillong: TL).
Mythimna tangala (Felder & Rogenhofer, 1874). Sri Lanka.
Mythimna pallidicosta (Hampson, 1894). NE India.
Mythimna renimaculata Hreblay & Legrain, 1996. NW Himalaya; Nepal.
Mythimna pastea (Hampson, 1905). India: Meghalaya (Khasi Hills :TL); Nepal.
Mythimna opaca (Staudinger, 1900). India: Kashmir.
Mythimna bifasciata (Moore, 1888). India: Himachal Pradesh (Kangra: TL), NW Himalaya; Nepal.
Mythimna kambaitiana Berio, 1973. Myanmar (TL); Nepal.
Mythimna griseofasciata (Moore, 1881). India: Himachal Pradesh (Dalhousie: TL); Nepal.
Mythimna decipiens (Yoshimatsu, 2004). India: Himachal Pradesh (Kangra: TL); Nepal.
Mythimna nigrilinea (Leech, 1889). India: Punjab (Solun); Sri Lanka.
Mythimna consanguis (Guenée, 1852). Nepal.
Mythimna cana (Hampson, 1891). India: Nilgiris (TL).
Mythimna undicilia (Walker, 1856). Sri Lanka (TL).
Mythimna obscura (Moore, 1882). India: West Bengal (Darjeeling: TL); Nepal.
Mythimna rudis (Moore, 1888). India: Himachal Pradesh (Kangra: TL); Nepal.
Mythimna nepos (Leech, 1900). India; Nepal; Myanmar.
Mythimna nepalina Hreblay & Yoshimatsu, 1996. Nepal (TL).
Mythimna perirrorata (Warren, 1913). India: Meghalaya (Khasi Hills :TL).
Mythimna binigrata (Warren, 1912). India: Meghalaya (Khasi Hills :TL).
Mythimna grata Hreblay, 1996. Nepal.
Mythimna distincta (Moore, 1881). India: Himachal Pradesh (Kangra: TL), West Bengal; Nepal.
Mythimna rutilitincta Hreblay & Yoshimatsu, 1996. Nepal.
Mythimna separata Walker, 1865. India: Arunachal Pradesh, West Bengal, Delhi, Jammu & Kashmir, Uttarakhand, Maharashtra; Nepal
Mythimna speciosa (Yoshimatsu, 1991). India: West Bengal (Darjeeling: TL).
Mythimna radiata (Bremer, 1861). Nepal.
Mythimna moorei (Swinhoe, 1902). ). India: West Bengal; Nepal.
Mythimna bistrigata (Moore, 1881). India: West Bengal (Darjeeling: TL); Nepal.
Mythimna rufistrigosa (Moore, 1881). India: Punjab (Umbala: TL); Nepal.
Mythimna kerala Hreblay & Legrain, 1999. India: Kerala (TL).
Mythimna exsanguis (Guenée, 1852). Bangladesh (Sylhet: TL); Myanmar.
Mythimna hamifera (Walker, 1862). Sri Lanka.
Mythimna rubida Hreblay, 1996. India: West Bengal (Darjeeling), Himachal Pradesh; Nepal.
Mythimna laxa Hreblay & Yoshimatsu, 1996. India: Sikkim; Nepal.
Mythimna lepida Hreblay, 1996. India: Meghalaya (Khasi Hills :TL).
Mythimna modesta (Moore, 1881). India: West Bengal (Darjeeling: TL).
Mythimna taiwana (Wileman, 1912). Myanmar.
Mythimna consimilis (Moore, 1881). India: West Bengal (Darjeeling: TL); Nepal.
Mythimna similissima Hreblay & Yoshimatsu, 1996. Nepal.
Mythimna intertexta (Chang, 1991). Nepal.
Mythimna decisissima (Walker, 1865). India: West Bengal (Darjeeling: TL), Sikkim; Nepal; Sri Lanka.
Mythimna dharma (Moore, 1881). India: West Bengal (Darjeeling: TL), Sikkim.
Mythimna ignita (Hampson, 1905). India: Meghalaya (Khasi Hills :TL).
Mythimna formosana (Butler, 1880). India: West Bengal (Darjeeling).
Mythimna hypophaea (Hampson, 1905). Sri Lanka (TL).
Mythimna goniosigma (Hampson, 1905). Sri Lanka (TL).
Mythimna albivitta (Hampson, 1891). India: Nilgiris (TL).
Mythimna rufescentalis (Poole, 1989). Sri Lanka (TL).
Mythimna subsignata (Moore, 1881). NW Himalaya.
Mythimna metaphaea (Hampson, 1905). India: Tamil Nadu (Palni Hills: TL).
Mythimna albovenosa Hreblay, 1999. India: Kerala (Munnar: TL).
Mythimna vittata (Hampson, 1891). India: Nilgiris (TL).
Mythimna v-album (Hampson, 1891). India: Nilgiris (TL).
Mythimna munnari Hreblay, 1999. India: Kerala (Munnar: TL).
Mythimna mediana (Moore, 1881). India: Himachal Pradesh (Solun: TL).
Mythimna reversa (Moore, 1884). India; Sri Lanka.
Photo Gallery and Species Biology
| State | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | No date |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Andaman and Nicobar Islands | |||||||||||||
| Andhra Pradesh | |||||||||||||
| Arunachal Pradesh | 3 | ||||||||||||
| Assam | |||||||||||||
| Bihar | |||||||||||||
| Chandigarh | |||||||||||||
| Chhattisgarh | |||||||||||||
| Dadra & Nagar Haveli | |||||||||||||
| Daman & Diu | |||||||||||||
| Delhi | 1 | ||||||||||||
| Goa | |||||||||||||
| Gujarat | |||||||||||||
| Haryana | |||||||||||||
| Himachal Pradesh | |||||||||||||
| Jammu and Kashmir UT | 3 | ||||||||||||
| Jharkhand | |||||||||||||
| Karnataka | |||||||||||||
| Kerala | |||||||||||||
| Ladakh UT | |||||||||||||
| Lakshadweep | |||||||||||||
| Madhya Pradesh | |||||||||||||
| Maharashtra | 4 | ||||||||||||
| Manipur | |||||||||||||
| Meghalaya | |||||||||||||
| Mizoram | |||||||||||||
| Nagaland | |||||||||||||
| Odisha | |||||||||||||
| Paschimbanga | |||||||||||||
| Pondicherry | |||||||||||||
| Punjab | |||||||||||||
| Rajasthan | |||||||||||||
| Sikkim | |||||||||||||
| Tamil Nadu | |||||||||||||
| Telangana | |||||||||||||
| Tripura | |||||||||||||
| Uttar Pradesh | |||||||||||||
| Uttarakhand | 1 | 15 | 2 | ||||||||||
| West Bengal | 1 | 1 | |||||||||||
| Total | 4 | 19 | 2 | 1 | 5 |
- OD: Leucania separata Walker, 1865. Catalogue of Lepidoptera Heterocera, List of the Specimens of Lepidopterous Insects in the Collection of the British Museum, Part 32, Supplement part 2: 626-627. TL: Shanghai. Text at https://archive.org/details/listofspecimenso3132brit/page/626/mode/1up?view=theater
- http://www.jpmoth.org/~dmoth/80_Noctuidae/37_Hadeninae/03Mythimnani/3636Mythimna_separata/Mythimna_separata.htm
- https://www.mothsofborneo.com/part-12/hadeninae/hadeninae_4_14.php
- https://www.inaturalist.org/taxa/121182-Mythimna-separata
- https://databases.nbair.res.in/insectpests/Mythimna-separata.php
- http://lepidoptera.butterflyhouse.com.au/hade/separata.html
Page citation
Anonymous 2026. Mythimna separata (Walker, 1865) – Northern Armyworm. In Sondhi, S., R.P. Singh, G. Iyer, J. D'silva and K. Kunte (Chief Editors). Butterflies of India, v. 4.2. Published by the Indian Foundation for Butterflies. URL: https://www.mothsofindia.org/mythimna-separata, accessed 2026/04/22.


