Peridomestic distribution of Triatoma garciabesi and Triatoma guasayana in north-west Argentina

The Reduviid bugs Triatoma garciabesi Carcavallo et al. (Hemiptera: Reduviidae: Triatominae), previously known as T. sordida Stahl in the semi-arid chaco region, and T. guasayana Wygodzinsky and Abalos, vectors of Trypanosoma cruzi Chagas (Kinetoplastida: Trypanosomatidae), were found to occupy wide...

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Autores principales:	Canale, D.M., Cecere, M.C., Chuit, R., Gürtler, R.E.
Formato:	JOUR
Materias:	Argentina Chagas disease Coexistence Segregation T. guasayana T. sordida Triatoma garciabesi Trypanosoma cruzi Vector control disease vector geographical distribution habitat type trypanosomiasis (Northwest) Animalia Capra hircus Chaco Fabaceae Gallus gallus Hemiptera Heteroptera Kinetoplastida Ovis aries Prosopis alba Prosopis nigra Reduviidae Triatoma guasayana Triatoma infestans Triatoma sordida Triatominae Trypanosoma Trypanosomatidae
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_0269283X_v14_n4_p383_Canale
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	todo:paper_0269283X_v14_n4_p383_Canale
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spelling	todo:paper_0269283X_v14_n4_p383_Canale2023-10-03T15:14:06Z Peridomestic distribution of Triatoma garciabesi and Triatoma guasayana in north-west Argentina Canale, D.M. Cecere, M.C. Chuit, R. Gürtler, R.E. Argentina Chagas disease Coexistence Segregation T. guasayana T. sordida Triatoma garciabesi Trypanosoma cruzi Vector control disease vector geographical distribution habitat type trypanosomiasis (Northwest) Argentina Animalia Capra hircus Chaco Fabaceae Gallus gallus Hemiptera Heteroptera Heteroptera Kinetoplastida Ovis aries Prosopis alba Prosopis alba Prosopis nigra Prosopis nigra Reduviidae Reduviidae Triatoma garciabesi Triatoma garciabesi Triatoma guasayana Triatoma guasayana Triatoma infestans Triatoma infestans Triatoma sordida Triatoma sordida Triatominae Trypanosoma Trypanosoma cruzi Trypanosoma cruzi Trypanosomatidae The Reduviid bugs Triatoma garciabesi Carcavallo et al. (Hemiptera: Reduviidae: Triatominae), previously known as T. sordida Stahl in the semi-arid chaco region, and T. guasayana Wygodzinsky and Abalos, vectors of Trypanosoma cruzi Chagas (Kinetoplastida: Trypanosomatidae), were found to occupy wide but different ranges of ecotopes in the peridomestic environment. At Amama and nearby rural villages in north-western Argentina, a combined total of 1233 specimens were collected from 325/2314 (14%) sites surveyed at 6-monthly intervals from November 1994 to November 1996. Triatoma garciabesi and T. guasayana displayed a significantly different distribution among peridomestic ecotopes. Triatoma garciabesi predominated over T. guasayana in the prevalence of infested sites, the number of colonies and the number of bugs collected. For T. garciabesi, the predominant ecotopes most likely to yield T. garciabesi repeatedly were the rugged bark of Prosopis alba or P. nigra (Fabaceae) trees, where chickens roosted, and chicken coops. For T. guasayana the main ecotopes were goat or sheep corrals, piled materials and orchard fences. Triatoma garciabesi and T. guasayana were collected concurrently from the same site on 9/2314 (0.4%) occasions, and on different dates at the same site on 12 (0.5%) occasions. The observed low frequency of mixed populations (<1%) was not significantly different from that expected from a hypothesis of independence. Triatoma garciabesi clearly outnumbered T. guasayana in four of the nine mixed populations, none of which persisted as such. Neither T. garciabesi nor T. guasayana colonized human habitations, even in the absence of T. infestans (formerly the predominant domestic vector of T. cruzi in this area), a situation that apparently has not changed in the last 50 years in northern Argentina. Fil:Cecere, M.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Gürtler, R.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0269283X_v14_n4_p383_Canale
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Argentina Chagas disease Coexistence Segregation T. guasayana T. sordida Triatoma garciabesi Trypanosoma cruzi Vector control disease vector geographical distribution habitat type trypanosomiasis (Northwest) Argentina Animalia Capra hircus Chaco Fabaceae Gallus gallus Hemiptera Heteroptera Heteroptera Kinetoplastida Ovis aries Prosopis alba Prosopis alba Prosopis nigra Prosopis nigra Reduviidae Reduviidae Triatoma garciabesi Triatoma garciabesi Triatoma guasayana Triatoma guasayana Triatoma infestans Triatoma infestans Triatoma sordida Triatoma sordida Triatominae Trypanosoma Trypanosoma cruzi Trypanosoma cruzi Trypanosomatidae
spellingShingle	Argentina Chagas disease Coexistence Segregation T. guasayana T. sordida Triatoma garciabesi Trypanosoma cruzi Vector control disease vector geographical distribution habitat type trypanosomiasis (Northwest) Argentina Animalia Capra hircus Chaco Fabaceae Gallus gallus Hemiptera Heteroptera Heteroptera Kinetoplastida Ovis aries Prosopis alba Prosopis alba Prosopis nigra Prosopis nigra Reduviidae Reduviidae Triatoma garciabesi Triatoma garciabesi Triatoma guasayana Triatoma guasayana Triatoma infestans Triatoma infestans Triatoma sordida Triatoma sordida Triatominae Trypanosoma Trypanosoma cruzi Trypanosoma cruzi Trypanosomatidae Canale, D.M. Cecere, M.C. Chuit, R. Gürtler, R.E. Peridomestic distribution of Triatoma garciabesi and Triatoma guasayana in north-west Argentina
topic_facet	Argentina Chagas disease Coexistence Segregation T. guasayana T. sordida Triatoma garciabesi Trypanosoma cruzi Vector control disease vector geographical distribution habitat type trypanosomiasis (Northwest) Argentina Animalia Capra hircus Chaco Fabaceae Gallus gallus Hemiptera Heteroptera Heteroptera Kinetoplastida Ovis aries Prosopis alba Prosopis alba Prosopis nigra Prosopis nigra Reduviidae Reduviidae Triatoma garciabesi Triatoma garciabesi Triatoma guasayana Triatoma guasayana Triatoma infestans Triatoma infestans Triatoma sordida Triatoma sordida Triatominae Trypanosoma Trypanosoma cruzi Trypanosoma cruzi Trypanosomatidae
description	The Reduviid bugs Triatoma garciabesi Carcavallo et al. (Hemiptera: Reduviidae: Triatominae), previously known as T. sordida Stahl in the semi-arid chaco region, and T. guasayana Wygodzinsky and Abalos, vectors of Trypanosoma cruzi Chagas (Kinetoplastida: Trypanosomatidae), were found to occupy wide but different ranges of ecotopes in the peridomestic environment. At Amama and nearby rural villages in north-western Argentina, a combined total of 1233 specimens were collected from 325/2314 (14%) sites surveyed at 6-monthly intervals from November 1994 to November 1996. Triatoma garciabesi and T. guasayana displayed a significantly different distribution among peridomestic ecotopes. Triatoma garciabesi predominated over T. guasayana in the prevalence of infested sites, the number of colonies and the number of bugs collected. For T. garciabesi, the predominant ecotopes most likely to yield T. garciabesi repeatedly were the rugged bark of Prosopis alba or P. nigra (Fabaceae) trees, where chickens roosted, and chicken coops. For T. guasayana the main ecotopes were goat or sheep corrals, piled materials and orchard fences. Triatoma garciabesi and T. guasayana were collected concurrently from the same site on 9/2314 (0.4%) occasions, and on different dates at the same site on 12 (0.5%) occasions. The observed low frequency of mixed populations (<1%) was not significantly different from that expected from a hypothesis of independence. Triatoma garciabesi clearly outnumbered T. guasayana in four of the nine mixed populations, none of which persisted as such. Neither T. garciabesi nor T. guasayana colonized human habitations, even in the absence of T. infestans (formerly the predominant domestic vector of T. cruzi in this area), a situation that apparently has not changed in the last 50 years in northern Argentina.
format	JOUR
author	Canale, D.M. Cecere, M.C. Chuit, R. Gürtler, R.E.
author_facet	Canale, D.M. Cecere, M.C. Chuit, R. Gürtler, R.E.
author_sort	Canale, D.M.
title	Peridomestic distribution of Triatoma garciabesi and Triatoma guasayana in north-west Argentina
title_short	Peridomestic distribution of Triatoma garciabesi and Triatoma guasayana in north-west Argentina
title_full	Peridomestic distribution of Triatoma garciabesi and Triatoma guasayana in north-west Argentina
title_fullStr	Peridomestic distribution of Triatoma garciabesi and Triatoma guasayana in north-west Argentina
title_full_unstemmed	Peridomestic distribution of Triatoma garciabesi and Triatoma guasayana in north-west Argentina
title_sort	peridomestic distribution of triatoma garciabesi and triatoma guasayana in north-west argentina
url	http://hdl.handle.net/20.500.12110/paper_0269283X_v14_n4_p383_Canale
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Peridomestic distribution of Triatoma garciabesi and Triatoma guasayana in north-west Argentina

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