Species name Mamestra brassicae (Linnaeus, 1758) ヨトウガ,Cat. 3559
Taxonomy  Phalaena brassicae Linnaeus, 1758, Syst. Nat. (Edn 10) 1: 516 (TL: Europe [LS, London])
Phalaena omicron Geoffrey, 1785, in Fourcroy, Entomol. Paris: 295 (TL: France, Paris)
Noctua albidilinea Haworth, 1809, Lepid. Brit. 191 (TL: Great Britain)
Hypobrathra unicolor Marumo 1917, in Nagano et al., : Colln. Essays Mr. Y. Nawa Commemom sixtieth Birthday: 26, fig. 3 (TL: Japan)
Geographical
Range
Ribia, Canaria-Is, Europe, Syria, Turkey, Iran, Pakistan, India, Nepal, Russia, Mongolia, China, Korea, Taiwan, Japan (Hokkaido, Honshu, Shikoku, Kyushu, Tsushima, Yakushima)
ユーラシア種. Mamestra の模式種とされ, 前脚脛節端部に1本の爪を有する. 日本では本土域のほぼ全域と対馬, 屋久島に産する.
Distribution map
Biology 幼虫は作物や庭園の害虫として著名である.
Flying season 2, 4-5月および7-8月に出現. 蛹で越冬する.
Remark

Japan
Japan
 Japan
Male genitalia 
 Female genitalia
 Female genitalia
 References  Kishida Y (E.d.), 2011, The Standard of Mothss in Japan 2: 374, Gakken Education Publishing , Tokyo
VS Kononenko, S.B. Alm, L. Ronkay, 1998, Illustrated Catalogue of Noctuidae in Korea: 306