Flebotomíneos (diptera: psychodidae) em fragmentos florestais, áreas domiciliares e peridomiciliares em Manaus, Amazonas, Brasil: riqueza de espécies, abundância, infecção natural por trypanosomatidae (kinetopladida)

Abstract

The American cutaneous leishmaniais (ACL) occurrence in Manaus, is related to the urban housing process of the insect vectors occurred to the consequences of environmental alterations of forest fragments in urban areas. This research aims to determine the richness, abundance, similarity and natural infection (leishmânia) of phlebotomine sand flies, which were caught in fragment forests and housing complexes in the Hiléia, Cidade de Deus and São João communities in Manaus Municipality, Amazonas State. Collections were done during every month during 24 months consecutive, using CDC light traps. 26.217 phlebotomine sand flies, distributed in 48 species, belonging to the Brumptomyia (one specie) and Lutzomyia genera (47 species, 10 subgenera and four grups). Of all specimens collected, 9.431 (35,98%) were collected in São João community, 7.518 (28,6%) in Cidade de Deus and 9.268 (35,42%) in Hiléia. The species Lutzomyia umbratilis was more abundant in the three areas. The sasonality of the sand flies showed populations picks during the months january and march, and less frequency in june and july months. The sand flies were more collected in CDC 1m in the forest and the smaller frequence occurred in the intradomicily.