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Abstract:

The effectiveness of a trap for triatomines baited with yeast cultures has been previously demonstrated for Triatoma infestans in laboratory assays. We report here results from laboratory assays testing yeast traps for Triatoma sordida, Triatoma brasiliensis, Triatoma pseudomaculata, and Panstrongylus megistus. All assays were conducted in an open experimental arena 100 cm x 100 cm, with two traps placed at opposite sides of the arena. One of the traps contained a yeast culture, and the other trap contained a saccharose solution as a control. Two series of experiments were done, one without a refuge for the insects and one with a refuge. The results obtained clearly demonstrated that the yeast-baited traps were effective in the laboratory in capturing both T. sordida and P. megistus. For T. sordida, yeast-baited traps captured significantly more bugs than did the control traps (t test P value = 0.03). For P. megistus, when a refuge was provided during the assay, yeast-baited traps also captured significantly more bugs than did the control traps (t test P value = 0.006). In the experiments with T. brasiliensis and T. pseudomaculata, both traps captured some insects, but the yeast traps captured many fewer bugs than was true with the T. sordida and P. megistus bugs. These results indicate that, in the laboratory, yeast traps can capture considerable numbers of T. sordida and P. megistus in one night. We discuss the potential use of yeast traps for detecting and capturing both triatomine species.

Registro:

Documento: Artículo
Título:Performance of yeast-baited traps with Triatoma sordida, Triatoma brasiliensis, Triatoma pseudomaculata, and Panstrongylus megistus in laboratory assays
Autor:Pires, H.H.R.; Lazzari, C.R.; Diotaiuti, L.; Lorenzo, M.G.
Filiación:Fundação Oswaldo Cruz, Ctro. de Pesq. René Rachou, Belo Horizonte, Minas Gerais, Brazil
Fund. Oswaldo Cruz (FIOCRUZ), Centre de Pesquisas Rene Rachou, CP 1743, CEP 30190-002, Belo Horizonte, Brazil
Universidad de Buenos Aires, Fac. de Ciencias Exactas y Naturales, Departamento de Ciencias Biologicas, Buenos Aires, Argentina
Palabras clave:article; Brazil; Chagas disease; controlled study; disease carrier; insect control; laboratory test; nonhuman; Panstrongylus; Triatoma; vector control; yeast
Año:2000
Volumen:7
Número:6
Página de inicio:384
Página de fin:388
DOI: http://dx.doi.org/10.1590/S1020-49892000000600005
Título revista:Revista Panamericana de Salud Publica/Pan American Journal of Public Health
Título revista abreviado:Rev. Panam. Salud Publica Pan Am. J. Public Health
ISSN:10204989
CODEN:RPSPF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10204989_v7_n6_p384_Pires

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Citas:

---------- APA ----------
Pires, H.H.R., Lazzari, C.R., Diotaiuti, L. & Lorenzo, M.G. (2000) . Performance of yeast-baited traps with Triatoma sordida, Triatoma brasiliensis, Triatoma pseudomaculata, and Panstrongylus megistus in laboratory assays. Revista Panamericana de Salud Publica/Pan American Journal of Public Health, 7(6), 384-388.
http://dx.doi.org/10.1590/S1020-49892000000600005
---------- CHICAGO ----------
Pires, H.H.R., Lazzari, C.R., Diotaiuti, L., Lorenzo, M.G. "Performance of yeast-baited traps with Triatoma sordida, Triatoma brasiliensis, Triatoma pseudomaculata, and Panstrongylus megistus in laboratory assays" . Revista Panamericana de Salud Publica/Pan American Journal of Public Health 7, no. 6 (2000) : 384-388.
http://dx.doi.org/10.1590/S1020-49892000000600005
---------- MLA ----------
Pires, H.H.R., Lazzari, C.R., Diotaiuti, L., Lorenzo, M.G. "Performance of yeast-baited traps with Triatoma sordida, Triatoma brasiliensis, Triatoma pseudomaculata, and Panstrongylus megistus in laboratory assays" . Revista Panamericana de Salud Publica/Pan American Journal of Public Health, vol. 7, no. 6, 2000, pp. 384-388.
http://dx.doi.org/10.1590/S1020-49892000000600005
---------- VANCOUVER ----------
Pires, H.H.R., Lazzari, C.R., Diotaiuti, L., Lorenzo, M.G. Performance of yeast-baited traps with Triatoma sordida, Triatoma brasiliensis, Triatoma pseudomaculata, and Panstrongylus megistus in laboratory assays. Rev. Panam. Salud Publica Pan Am. J. Public Health. 2000;7(6):384-388.
http://dx.doi.org/10.1590/S1020-49892000000600005