抄録
The fauna and distribution of blackflies in Mie Prefecture, Japan, were investigated based on the collections of larvae and pupae from streams and an adult flying around the collectors at 62 localities in autumn of 1988. A total of 9, 267 blackflies, 7, 768 larvae (83.8% in total number), 1, 498 pupae (16.2%) and one adult (0.01%), were collected at 55 sites. All these blackflies were classified into sixteen species of the genus Simulium Latreille. Four species, Simulium (Gonphostilbia) ogatai, S. (Go.) shogakii, S. (Go.) sp. and S. (Simulium) quinquestriatum were newly recorded from Mie Prefecture. The most abundant species was S. (S.) japonicum (35.7% in total number), followed by S. (Gnus) bidentatum (33.4%), S. (S.) suzukii (10.1%), S. (S.) quinquestriatum (3.4%), S. (S.) rufibasis (3.1%) and S. (Nevermannia) uchidai (3.0%). The most widely distributed species was S. (Gn.) bidentatum (40 sites), followed by S. (S.) japonicum (36 sites), S. (S.) suzukii (26 sites). S. (N.) uchidai (26 sites). S. (S.) quinquestriatum (22 sites), S. (S.) rufibasis (17 sites) and S. (S.) nikkoense (17 sites).
