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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 107, No. 7, 2012, pp. 955-959
Bioline Code: oc12202
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 107, No. 7, 2012, pp. 955-959

 en Species diversity of sandflies (Diptera: Psychodidae) during different seasons and in different environments in the district of Taquaruçú, state of Tocantins, Brazil
Machado, Tâmara Oliveira; Bragança, Marcos Antônio Lima; Carvalho, Muzenilha Lima & Filho, José Dilermando Andrade

Abstract

Phlebotomine sandflies are the vectors for the protozoan parasites that cause leishmaniasis. The present study investigated the species composition of sandfly fauna in the rural district of Taquaruçú, municipality of Palmas, state of Tocantins, Brazil and compared the diversity of species among intradomicile, peridomicile and forest environments during the dry and rainy seasons. Sandflies were collected using CDC light traps over the course of three months during the dry and rainy seasons. A total of 767 specimens were captured, belonging to different 32 species. The most abundant species were Micropygomyia goiana check for this species in other resources (Martins, Falcão & Silva), Sciopemyia sordellii check for this species in other resources (Shannon & Del Ponte), Evandromyia carmelinoi check for this species in other resources (Ryan Fraiha, Lainson & Shaw), Evandromyia termitophila check for this species in other resources (Martins, Falcão & Silva), Nyssomyia whitmani check for this species in other resources (Antunes & Coutinho) and Lutzomyia longipalpis check for this species in other resources (Lutz & Neiva). The highest species diversity (30) and the greatest percentage of specimens (78.3%) were obtained during the rainy season. During the dry season, the species richness and abundance were greater in domestic environments. However, during the rainy season, the forest displayed the highest species richness and the domestic environment exhibited the greatest species abundance. Several important vector species are reported in this study.

Keywords
Evandromyia - leishmaniasis - Phlebotominae - Psathyromyia - Psychodopygus

 
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