Esp??cies de flebotom??neos (Diptera, Psychodidae) coletadas em ambiente urbano em munic??pios com transmiss??o de Leishmaniose Visceral do Estado de Mato Grosso do Sul, Brasil

Os flebotom??neos s??o os vetores naturais de alguns agentes etiol??gicos de doen??as humanas e de animais, tais como protozo??rios do g??nero Leishmania Ross, 1903. A fauna flebotom??nica no Mato Grosso do Sul ?? relativamente bem conhecida e at?? o momento comp??e-se de 54 esp??cies. O presente estudo baseia-se no levantamento de flebotom??neos em ??rea urbana de 18 munic??pios com transmiss??o de leishmaniose visceral no Estado do Mato Grosso do Sul, com objetivo de verificar as principais esp??cies e fornecer subs??dios para o programa de controle das leishmanioses. As coletas foram realizadas com armadilhas autom??ticas luminosas, instaladas mensalmente durante tr??s noites consecutivas, das 18:00 horas ??s 6:00, no per??odo de dois anos. Foram coletadas 36 esp??cies dentre os 34.799 exemplares identificados. Lutzomyia longipalpis (Lutz & Neiva, 1912) e Nyssomyia whitmani (Antunes, 1939) foram as esp??cies mais dispersas, a primeira foi encontrada em 16 e a segunda em 15 dos 18 munic??pios investigados, contudo, Lu. longipalpis foi predominante em todos esses munic??pios Ny. whitmani n??o predominou em nenhum deles. Corumb?? contribuiu com 40.92% de todos flebotom??neos capturados e nesse munic??pio Lutzomyia cruzi (Mangabeira, 1938) respondeu por 92.50% dos exemplares coletados. Ressalta-se que as esp??cies do g??nero Lutzomyia e Nyssomyia whitmani podem estar envolvidas com a transmiss??o de leishmanioses no Mato Grosso do Sul.Species of phlebotomines (Diptera, Psychodidae) collected in urban municipalities with transmission of visceral leishmaniasis in Mato Grosso do Sul State, Brazil. The phlebotomine sand flies are the natural vectors of some etiological agents of human and animal diseases, such as the protozoa of the genus Leishmania Ross, 1903. The phlebotomine fauna in Mato Grosso do Sul is relatively well known and so far consists of 54 species. The present study is based on the survey of the phlebotomine fauna of the urban area of the 18 municipal districts with transmission of visceral leishmaniasis, in the state of Mato Grosso do Sul, for the purpose of verifying the main species and providing data for the leishmaniasis control programmes. The collections were undertaken with automatic light traps, installed monthly on three consecutive nights, from 06:00 pm to 6:00 am over a two-year period. A total of 34,799 sand fly specimens, belonging to 36 species, were collected. Lutzomyia longipalpis (Lutz & Neiva, 1912) and Nyssomyia whitmani (Antunes, 1939) were the most widely dispersed species, the former was found in 16 and the latter in 15 out of the 18 municipalities investigated, however, Lu. longipalpis was predominant in all the municipalities and Ny. whitmani was not predominant in any of them. Corumb?? contributed with 40.92% of the specimens and Lutzomyia cruzi (Mangabeira, 1938) with 92.50% of the specimens captured there. It is suggested that the species of Lutzomyia genus and Ny. whitmani may be involved in the transmission of leishmaniasis in Mato Grosso do Sul state