1993
DOI: 10.1590/s0074-02761993000100006
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Abstract: Flight activity and invasion of houses by Triatoma sordida and T. guasayana were studied in the Province of Santiago del Estero, Argentina. Spontaneous findings of both species in houses were recorded from 1982 to 1989. Light trap collections were performed in 1982, 1983 and 1984, at the woods surrounding the settlements of Amamá (43 houses) and Trinidad (19 houses). Most of the 101 triatomines collected, were unfed and negative for Trypanosoma cruzi. T. guasayana predominated over T. sordida, and both appeare… Show more

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Cited by 51 publications
(50 citation statements)
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“…Even though this species does not normally colonise human dwellings, adult bugs may often invade them temporarily. In the Chaco region, T. guasayana, which inhabits a wide variety of ecotopes (Barretto 1971, Carcavallo & Martinez 1985, has a high potential for night flight dispersal during the hot dry months (August-November) (Wisnivesky-Colli et al 1993, Noireau et al 1999.…”
Section: Discussionmentioning
confidence: 99%
“…Even though this species does not normally colonise human dwellings, adult bugs may often invade them temporarily. In the Chaco region, T. guasayana, which inhabits a wide variety of ecotopes (Barretto 1971, Carcavallo & Martinez 1985, has a high potential for night flight dispersal during the hot dry months (August-November) (Wisnivesky-Colli et al 1993, Noireau et al 1999.…”
Section: Discussionmentioning
confidence: 99%
“…The reduction in T. infestans (Klug) populations in residences has created an available niche for other vectors and the tendency for peridomestic or wild species to occupy these available niches in Paraguay and Brazil has been demonstrated (Dias 1988, Ruas Neto & Krug 1995, Rojas-de-Arias 1996. In Uruguay, Rosa & Salvatella (1995) warned of the presence of Triatoma rubrovaria ((Blanchard) in residences, and Bar et al (1993) and Wisnivesky-Colli et al (1993) demonstrated the potential risk that Triatoma sordida (Stal) and Triatoma guasayana (Wygodzinsky & Abalos) represented in Argentina. Triatoma sordida and T. guasayana are closely related species of Triatominae since they are morphologically similar and occupy the same ecotopes with an overlapping distribution in northern Argentina and part of the Bolivian Chaco and Paraguay (Schofield 1994,Usinger et al 1966.…”
mentioning
confidence: 99%
“…Triatoma sordida and T. guasayana are closely related species of Triatominae since they are morphologically similar and occupy the same ecotopes with an overlapping distribution in northern Argentina and part of the Bolivian Chaco and Paraguay (Schofield 1994,Usinger et al 1966. Although originally they were wild species, they were frequently found in peridomestic and domestic habitats (Forattini 1980, Wisnivesky-Colli et al 1993, Gajate et al 1996, Noireau et al 1998 due to their domestic tendency, and may be considered as possible domestic vectors of Chagas disease.…”
mentioning
confidence: 99%
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“…Dispersal of T. guasayana adults is assumed to occur at random during the reproductive season, from early spring until the beginning of summer (Wisnivesky-Colli et al 1993a). As females spread out, they select suitable biotopes to lay eggs.…”
Section: Discussionmentioning
confidence: 99%