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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 95, No. s1, 2000, pp. 119-122
Bioline Code: oc00168
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 95, No. s1, 2000, pp. 119-122

 en Sylvatic Population of Triatoma infestans from the Bolivian Chaco: from Field Collection to Characterization
François Noireau; Brigitte Bastrenta; Silvia Catalá; Jean-Pierre Dujardin; Francisco Panzera; Magdalena Torres; Ruben Perez; Cleber Galvão & José Jurberg


A sylvatic Triatoma infestans DM (dark morph) population detected in the Bolivian Chaco was characterized and compared with various domestic ones. The degree of differentiation of DM was clearly within the T. infestans intra-specific level. Nevertheless marked chromatic and morphometric differences as well as differences in antennal pattern, chromosome banding and randomly amplified polymorphic DNA support the hypothesis of a distinct population. Continuous exchange of insects between wild and domestic habitats seems unlikely in the Chaco.

Triatoma infestans, sylvatic focus, characterization of population

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