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Acta Amazonica

Print version ISSN 0044-5967On-line version ISSN 1809-4392

Acta Amaz. vol.31 no.2 Manaus Apr./June 2001

http://dx.doi.org/10.1590/1809-43922001312284 

ZOOLOGIA

Flebotomíneos da floresta de terra firme da Amazônia Peruana (Diptera: Psychodidae)

Phlebotomine sandflies from non-flooded forest in the Peruvian Amazon (Diptera: Psychodidae)

Marcos CABANILLAS

Janeth BRAGA

Máximo VIENA

RESUMO

Um total de 1030 flebotomíneos, pertencentes a 14 espécies, foram coletados com armadilha tipo Shannon e isca humana, nos meses de Julho e Agosto de 1991, nos horários das 18:00 h. às 21:00 h., nas localidades de San Juan, San Pedro e 25 de Diciembre localizadas na Amazônia Peruana. As fêmeas foram mais abundantes do que os machos (96,98% e 3,02% respectivamente). Os subgêneros Psychodopygus (49,27% e 7 spp. coletadas) e Nyssomyia (48,79% e 4 spp. coletadas) comportaram o maior número de espécies e indivíduos. As espécies Lutzomyia richardwardi (48,4%) e L. carrerai (29,2%) foram as mais abundantes. Na localidade de San Juan foi coletado o maior número de indivíduos (55,2%), porém o maior número de espécies foi obtido na localidade de 25 de Diciembre. Quanto a estratégia de coleta, o mesmo número de espécies (12 spp.) foram obtidos com ambas as armadilhas, porém um maior número de indivíduos foi capturado com a técnica de isca humana.

Palavras-Chave: flebotomíneos; armadilha Shannon; isca humana; Amazônia Peruana

ABSTRACT

A total of 1,030 phlebotomines sandflies, belonging to 14 species was collected with a trap type Shannon and human bait, during the season of less rainfall, from 18:00h. to 21:00 h. in the localities of San Juan, San Pedro and 25 de Diciembre located in the Peruvian Amazon. Females outnumbered males (96.98% and 3.02% respectively). The subgenus Psychodopygus (49. 27% and 7 species collected) and Nyssomyia (48.79% and 4 species collected) had the highest numbers of species and specimens. Lutzomyia (Nyssomyia) richardwardi (48.4%) and L. (Psychodopygus) carrerai (29.2%) presented the highest numbers of specimens. The highest number of specimens (55. 2%) was collected in San Juan, however, the highest number of species was collected in 25 de Diciembre. The same numbers of species (12 species) was collected by both collection strategies, however, the highest number of specimens was collected with human bait technique.

Key words: phlebotomine; Shannon trap; human bait; Peruvian Amazon

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