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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.15 no.1 Curitiba  1998

http://dx.doi.org/10.1590/S0101-81751998000100012 

Culicoides latreille (Diptera, Ceratopogonidae) in brazilian amazon. v. efficiency of traps and baits and vertical stratification in the forest reserve adolpho ducke

 

 

Rosana S. VerasI; Eloy G. CastellónII

IInstituto Nacional de Pesquisas da Amazonia, Fundação Universidade do Amazonas. Alameda Cosme Ferreira 1756, 69083-970 Manaus, Amazonas, Brazil. CAPES scholarship student
IIInstituto Nacional de Pesquisas da Amazônia, Coordenação de Pesquisas em Entomologia. Alameda Cosme Ferreira 1756, 69083-970 Manaus, Amazonas, Brazil

 

 


ABSTRACT

Monthly catches were carried out during five days/month in the Adolpho Ducke Forest Reserve (Manaus, Amazonas), from February 1990 to January 1991 in order to assess the sandfly fauna of that region, evaluate the atractivity of these insects with regard to different kinds of traps and baits and to know vertical stratification of these insects. The traps and baits used in catches were: Disney traps with baits: Didelphis sp., Gallus sp. and Mesocricetus sp.; CDC light traps at three vertical levels (1m, 5m and 10m); Suspended trap (5m) and Malaise trap (1m) and catches on bases of tree-trunks. The most efficient type was the CDC. Malaise and Suspended did not collect specimens of Culicoides Latreille, 1809. The Disney traps with baits only attracted specimens of C. fusipalpis Wirth & Blanton, 1973. In vertical stratification, the CDC trap placed at 1m caught 898 specimens of nine species; at 5m 895 specimens were collected which belonged to 13 species; and at 10m 224 specimens of 14 species were collected. Two thousand and forty-six specimens of Culicoides were captured, being about 5,66% males and 94,34% females, which belonged to 17 different species; the most frequent were C. fusipalpis (43,05%), followed by C. pseudodiabolicus Fox, 1946 (32,79%), C. hylas Macfie, 1940 (12,31%) and C. foxi Ortiz, 1950 (3,71%). The other 13 species totalized 8,15%.

Key words: Diptera, Caratopogonidae, Culicoides, traps and baits, vertical stratification, Amazon


 

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ACKNOWLEDGEMENTS. To Drs Christopher Martius and Mariana Oliveira Dos Santos for helping in the translations and Jose Souza Lira by typing the manuscript.

 

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Recebido em 28.II.1997; aceito em 13.IV.1998.

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