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Revista Pan-Amazônica de Saúde

Print version ISSN 2176-6215On-line version ISSN 2176-6223

Abstract

SANTOS, Walter Souza; ORTEGA, Fellipe Diogo; ALVES, Veracilda Ribeiro  and  GARCEZ, Lourdes Maria. Phlebotomines (Psychodidae: Phlebotominae) of endemic area for cutaneous and visceral leishmaniasis in northeastern Pará State, Brazil. Rev Pan-Amaz Saude [online]. 2019, vol.10, e201900059.  Epub Nov 19, 2019. ISSN 2176-6215.  http://dx.doi.org/10.5123/s2176-6223201900059.

INTRODUCTION:

In Tomé-Açu, Pará State, Brazil, where cutaneous and visceral leishmaniasis are endemic, there are no studies on sandfly fauna, and therefore it is important to understand the effect of environmental changes on the cycle of these diseases.

OBJECTIVE:

To conduct an entomological survey inside and outside houses in two rural areas of Tomé-Açu with reported cases of leishmaniasis.

MATERIALS AND METHODS:

Entomological captures were performed during September and October 2014 (dry season) and March 2015 (rainy season), in houses of two rural areas of Tomé-Açu, Ubim and Vila Socorro, using CDC light traps.

RESULTS:

A total of 1,129 sandflies were captured. The specimens were grouped into 12 genera and 35 species, with predominance of Lutzomyia longipalpis (35.0%; 395), the main vector of Leishmania (Leishmania) infantum. Although less frequent, other important species in Leishmania transmission causing cutaneous leishmaniasis were also captured, such as Bichromomyia flaviscutellata, Nyssomyia antunesi, Psychodopygus davisi, Psychodopygus carrerai, Lutzomyia gomezi, and Nyssomyia whitmani. The number of sand flies was higher during the rainy season. In chicken coops, a larger number of species was detected, which may indicate an association between insects and poultry. Lu. longipalpis was abundant in both seasons.

CONCLUSION:

The presence of chicken coops outside the houses and the lack of physical barriers may favor Leishmania spp. transmission in the locality. The results of this study can guide entomological surveillance and vector control actions in Tomé-Açu.

Keywords : Vector Ecology; Leishmania; Entomology; Epidemiologic Measurements; Environmental Health Surveillance; Seasonal Variation.

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