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Título: Attraction of Chagas disease vectors (Triatominae) to artificial light sources in primary the canopy of primary Amazon rainforest
Autor(es): Marcelo Cutrim M de Castro
Toby V Barrett
Walter Souza-Santos
Fernando Abad-Franch
José Albertino Rafael
Assunto: Reduviidae
fauna de dossel
ISSN: 0074-0276
Revista: Memórias do Instituto Oswaldo Cruz
Volume: 105
Resumo: Adult triatomines occasionally fly into artificially lit premises in Amazonia. This can result in Trypanosoma cruzi transmission to humans either by direct contact or via foodstuff contamination, but the frequency of such behaviour has not been quantified. To address this issue, a light-trap was set 45 m above ground in primary rainforest near Manaus, state of Amazonas, Brazil and operated monthly for three consecutive nights over the course of one year (432 trap-hours). The most commonly caught reduviids were triatomines, including 38 Panstrongylus geniculatus, nine Panstrongylus lignarius, three Panstrongylus rufotuberculatus, five Rhodnius robustus, two Rhodnius pictipes, one Rhodnius amazonicus and 17 Eratyrus mucronatus. Males were collected more frequently than females. The only month without any catches was May. Attraction of most of the known local T. cruzi vectors to artificial light sources is common and year-round in the Amazon rainforest, implying that they may often invade premises built near forest edges and thus become involved in disease transmission. Consequently, effective Chagas disease prevention in Amazonia will require integrating entomological surveillance with the currently used epidemiological surveillance.
ISSN: 0074-0276
Aparece nas coleções:Coordenação de Biodiversidade (CBIO)

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