Long-Range Migration as a Possible Factor Caused the Late-Summer Outbreak of the Oriental Armyworm, Mythimna separata WALKER, in Tohoku District, 1969 論文 Toshio Oku・Jûrô KOYAMA ·1976-01-01 ·『Japanese Journal of Applied Entomology and Zoology』 20(4) pp. 184-190 doi:10.1303/jjaez.20.184