Tabanidae (Diptera) in the canopy of the Amazon rainforest attracted by light and description of males of three species

Tabanids were collected at a height of 40 meters on a metallic tower, at Estacao 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 Krober, 1931, Leucotabanus janinae Fairchild, 1970 and Leucotabanus pauculus Fairchild, 1951.Original Abstract: Foram realizadas coletas de tabamdeos a 40 metros de altura, em uma torre metalica, na Estacao Experimental de Silvicultura Tropical, Amazonas, Brasil. As coletas foram realizadas de Janeiro a dezembro de 2004, durante tres noites de transicao lunar minguante/nova de cada mes, das 18 as 6 horas. As mutucas foram capturadas em um lencol iluminado com lampada de luz mista de vapor de mercurio de 250 watts e lampada de 20 watts BLB. Foram coletados 216 especimes, dos quais 135 machos e 81 femeas, alocados em 29 especies. Tres machos desconhecidos sao descritos pela primeira vez: Catachlorops halteratus Kroeber, 1931, Leucotabanus janinae Fairchild, 1970 e Leucotabanus pauculus Fairchild, 1951.