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. 2014 Aug 7:7:360.
doi: 10.1186/1756-3305-7-360.

Sand fly fauna (Diptera: Psychodidae: Phlebotominae) in an area of leishmaniasis transmission in the municipality of Rio Branco, state of Acre, Brazil

Thais Araujo-Pereira, Andressa A Fuzari, José Dilermado Andrade Filho, Daniela Pita-Pereira, Constança Britto, Reginaldo P Brazil  1
Affiliations

Sand fly fauna (Diptera: Psychodidae: Phlebotominae) in an area of leishmaniasis transmission in the municipality of Rio Branco, state of Acre, Brazil

Thais Araujo-Pereira et al. Parasit Vectors. .

Abstract

Background: Notifications concerning American Cutaneous Leishmaniasis have increased in recent years in the state of Acre, Brazil. Despite identification of distinct Leishmania species isolated from cutaneous lesions, there are still no records of visceral leishmaniasis in the state. However, studies on the sand fly fauna in this region are still limited.

Findings: Insects were collected from April 2011 to April 2012, using HP light traps distributed in four residential areas and one recreational area in Rio Branco, Capital of the State of Acre in the Amazon region of Brazil. A total of 456 sand flies were collected, comprising 256 females and 200 males. Taxonomic identification revealed 16 Phlebotominae genera and 23 species, as follows: Trichophoromyia auraensis, Nyssomyia whitmani, Nyssomyia antunesi, Pressatia choti, Evandromyia saulensis, Evandromyia walkeri, Evandromyia begonae, Migonemyia migonei, Pintomyia serrana, Psychodopygus paraensis, Sciopemyia sordelii, Migonemyia pusilla, Pintomyia nevesi, Brumptomyia avellari, Micropygomyia acanthopharynx, Micropygomyia micropyga, Pintomyia odax, Lutzomyia sherlocki, Pressatia calcarata, Pressatia duncanae, Bichromomyia flaviscutellata, Evandromyia bourrouli and Evandromyia bacula. From this group, Tr. auraensis and Ny. whitmani were the most abundant species in both forested areas and the peridomiciliary environment.

Conclusions: We find that the sand fly fauna in the urban and peri urban areas of Rio Branco is very diverse comprising 23 species, as diverse as that in areas of primary forest. Some species, such as Nyssomyia whitmani, Ny. antunesi and Bichromomyia flaviscutellata are known vectors of parasites responsible for cutaneous leishmaniasis, and Trichophoromyia auraensis is a putative vector in this Amazonian region.

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Figures

Figure 1
Figure 1
Map of the study area. Political map of Brazil illustrating and highlighting the state of Acre and the municipality of Rio Branco, the area of study.
Figure 2
Figure 2
Percentage distribution of sand fly specimens. Total of sand fly specimens collected in Rio Branco municipality, state of Acre, from April 2011 to April 2012, using HP light traps distributed in four residential and one recreational areas.
Figure 3
Figure 3
Percentage distribution of sand fly genera. Sand fly genera collected in Rio Branco municipality, state of Acre, from April 2011 to April 2012, using HP light traps distributed in four residential and one recreational areas.
See this image and copyright information in PMC

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