Navegando por Autor "Teodoro, Layane Meira"

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Phlebotomine sand flies (Diptera, Psychodidae) from iron ore caves in the State of Pará, Brazil
(2021-01-11) Teodoro, Layane Meira; Carvalho, Gustavo Mayr de Lima; Campos, Aldenise Martins; Cerqueira, Roberta Fernanda Ventura; Souza-Silva, Marconi; Ferreira, Rodrigo Lopes; Barata, Ricardo Andrade
The present study aimed to evaluate the distribution of sand fly species in iron ore caves in the State of Pará, Brazil and to associate the richness and abundance of these insects with the capacity of leishmaniasis transmission. Entomological captures were carried out in the years 2010, 2013, 2014 and 2015, through-out active samples with brushes, along the entire caves’ extension, in dry and rainy periods. A total of 9,807 sand flies were counted during the 532 samplings events, being 4,340 in the dry period and 5,467 in the rainy period. A random sample of 802 morphologically identified specimens consisted of 8 genera and 17 species, being 369 males (46%) and 433 females (54%). The predominant species was Sciopemyia sordellii with 60.6% of the total of sand flies collected. Differences in composition and richness were observed between caves located inside of forest and anthropized areas. The mean richness and abundance were different between the wet and rainy periods, with a greater abundance of these insects in the rainy period. The phlebotomine fauna proved to be rich and abundant in the sampled caves, however, environ-mental degradation seems to be the main factor determining changes in the composition and richness, reinforces the importance of these places as a shelter for sand flies in degraded areas.