ブユの生態に関する研究 : 40. 長野県における秋期のブユ採集成績

概要

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The fauna and distribution of blackflies in Nagano Prefecture, Japan, were studied based on the collections of larvae and pupae from streams and adults flying around the collectors at 136 sites in autumn of 1997. A total of 20,735 blackflies, 18,232 larvae (87.9% in total number), 2,492 pupae (12.0%) and 11 adults (0.1%), were collected at 131 sites. All these blackflies were classified into 19 species of two genera : Prosimulium Roubaud and Simulium Latreille. Four species, Simulium (Nevermannia) aureohirtum, S. (Simulium) quinquestriatum, S. (Gnus) nacojapi and S. (Eusimulium) sp. H were newly recorded from Nagano Prefecture. The most abundant species was S. (S.) japonicum (27.4% in total number), followed by S. (S.) kawamurae (17.6%), S. (Odagmia) aokii (17.3%), S. (N.) uchidai (14.9%), S. (O.) iwatense (10.1%) and S. (Gn.) bidentatum (5.6%). The most widely distributed species was S. (S.) japonicum (77 sites), followed by S. (N.) uchidai (71 sites), S. (O.) aokii (58 sites), S. (S.) suzukii (51 sites), S. (S.) kawamurae (44 sites), S. (Gn.) bidentatum (33 sites), S. (O.) iwatense (30 sites) and S. (N.) subcostatum (26 sites).
日本衛生動物学会の論文
2001-03-15