科研之友
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摘要
tabanids were collected at a height of 40 meters on a metallic tower, at estaˋˋo experimental de silvicultura tropical, manaus, amazonas, brazil. samples were collected monthly from january to december of 2004, during three nights of lunar transition third quarter moon/ new moon from 06 p.m. to 06 a.m. horse flies were captured on a vertical sheet illuminated by a 250-watts mixed mercury vapor light and 20-watts black-light (blb) lamps. 216 specimens were collected, of which 135 were males and 81 were females belonging to 29 species. males of three species with unknown males are described for the first time, namely: catachlorops halteratus krˋber, 1931, leucotabanus janinae fairchild, 1970 and leucotabanus pauculus fairchild, 1951.
