Sandfly fauna (Diptera: Psychodidae) in an urban area, Central-West of Brazil

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Abstract

Biological and ecological relations among vectors and their pathogens are important to understand the epidemiology of vector-borne diseases. Camapuã is an endemic area for visceral and tegumentary leishmaniasis. The aim of this study was to characterize the sandfly fauna present in Camapuã, MS, Brazil. Sand flies were collected every fortnight from May 2014 to April 2015 using automatic light traps in the domicile and peridomicile of twelve neighborhoods and forest. The collected specimens were identified based on morphology according to the valid identification keys. In total, 2005 sandflies of five genera and nine species were collected. Nyssomyia whitmani and Lutzomyia cruzi were the most abundant species. Males were more abundant, with a male-to-female ratio of 2.14. The highest diversity was observed in peripheral neighborhood, with abundant plant cover. The peridomicile presented greater abundance of sandflies, with the predominance of Ny. whitmani. No significant correlation between the absolute frequencies of the most abundant species and the precipitation variable was observed; however, there was a predominance of Lu. cruzi in the rainy season. We observed a high frequency of sandflies in urban area, especially vector species. The presence of Nyssomyia whitmani and Lutzomyia cruzi indicate the necessity for health surveillance in the municipality. Additional method of collection such as sticky trap is also recommended for appropriate faunestic study.

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Fernandes, W. de S., Borges, L. M., Casaril, A. E., de Oliveira, E. F., Infran, J. de O. M., Piranda, E. M., … Oliveira, A. G. de. (2017). Sandfly fauna (Diptera: Psychodidae) in an urban area, Central-West of Brazil. Revista Do Instituto de Medicina Tropical de Sao Paulo, 59. https://doi.org/10.1590/S1678-9946201759054

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