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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060 EISSN: 1678-8060
Vol. 102, No. 4, 2007, pp. 517-521
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Bioline Code: oc07081
Full paper language: English
Document type: Research Article
Document available free of charge
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Memórias do Instituto Oswaldo Cruz, Vol. 102, No. 4, 2007, pp. 517-521
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Biological aspects of crosses between Triatoma maculata (Erichson, 1848) and Triatoma pseudomaculata Corrêa & Espínola, 1964 (Hemiptera: Reduviidae)
Belisário, Carlota Josefovicz; Pessoa, Grasielle Caldas D'Ávila & Diotaiuti, Liléia
Abstract
Due to morphological similarities between Triatoma maculata and T. pseudomaculata, which comprise the
"maculate complex", both had been regarded as the same species until 1964. Considering that the studies on
triatomine hybridization permit hypotheses formulation concerning origin and divergence of species, enabling
a quantitative analysis of taxonomic relationships between species, the present investigation was aimed at
broadening further understanding related to the capacity of hybrid production by determining the degree of
reproductive isolation between T. maculata and T. pseudomaculata. Our results have demonstrated that T. maculata and T. pseudomaculata showed no differences regarding reproduction patterns and they are able to cross, generating
infertile hybrids.
Keywords
Triatoma maculata - Triatoma pseudomaculata - hybrids - Triatominae
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