Notas sobre triatomideos do Rio Grande do Sul e descrição de uma nova especie

Neiva, Arthur; Pinto, César Sahelices; Lent, Herman

doi:10.1590/s0074-02761939000400009

Cited by 6 publications

(1 citation statement)

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“…However, adult insect visits are common in dwellings in close proximity with sylvatic areas during the warmer months 18 . The fi rst reports of Chagas disease vectors in RS were associated with the discovery of Triatoma rubrovaria (Blanchard, 1843) in 1911 and T. infestans in 1913 in the Pelotas municipality and surrounding areas 19,20 . Although vectors were detected during the early 20 th century, the fi rst acute case was only described in 1939 at the boundary with Uruguay 21 .…”

Section: Introductionmentioning

confidence: 99%

Evaluation of natural foci of Panstrongylus megistus in a forest fragment in Porto Alegre, State of Rio Grande do Sul, Brazil

Junior

Viola

Lorosa

et al. 2013

Rev. Soc. Bras. Med. Trop.

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Introduction:Panstrongylus megistus is commonly found in wild environments of the State of Rio Grande do Sul, Brazil. The aim of this study was to characterize the network of refuges used by triatomine in a forest fragment of Porto Alegre and to identify Trypanosoma cruzi infection, associated hosts and the epidemiological importance of both hosts and triatomines. Methods: Techniques including the spool-and-line method and active searching (transects) were used to identify natural foci. Results: The food source for each triatomine was determined using the precipitin test, and the infection of marsupials was determined by xenodiagnosis. A total of 33 adults (domestic environment) and 27 nymphs (wild environment) of P. megistus were found in addition to 43 Didelphis albiventris specimens. The infection rates of triatomine adults, triatomine nymphs and opossums with T. cruzi I were 64%, 73% and 69%, respectively. Birds, rodents and opossums were the main resources used by triatomine. Conclusions: This work presents the fi rst characterization of a natural focus of P. megistus in Rio Grande do Sul. The natural characteristics of this focus and its implication in the transmission of T. cruzi are discussed.

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Section: Introductionmentioning

confidence: 99%