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A comparative study of testis follicles in species of Triatoma (Hemiptera, Triatominae)

In: Animal Biology
Authors:
Simone Freitas Departamento de Biologia Animal, Universidade Federal de Viçosa, 36570-000, Viçosa, Minas Gerais, Brasil, Setor de Morfologia, Ultraestrutura e Bioquímica de Arthropódes e Parasitos, 21045-900, Instituto Oswaldo Cruz - FIOCRUZ, Av. Brasil, 4365, Rio de Janeiro, RJ, Brasil

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Jacenir Santos-Mallet Setor de Morfologia, Ultraestrutura e Bioquímica de Arthropódes e Parasitos, 21045-900, Instituto Oswaldo Cruz - FIOCRUZ, Av. Brasil, 4365, Rio de Janeiro, RJ, Brasil

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Jane Costa Laboratório de Biodiversidade Entomológica, 21045-900, Instituto Oswaldo Cruz - FIOCRUZ, Rio de Janeiro, RJ, Brasil

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Ana Lúcia Souza Departamento de Ciências Biológicas, Universidade Estadual do Sudoeste da Bahia, 45.206-510, Jequié, BA

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José Serrão Departamento de Biologia Geral, Universidade Federal de Viçosa, 36570-000, Viçosa, Minas Gerais, Brasil

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Teresa Gonçalves Setor de Morfologia, Ultraestrutura e Bioquímica de Arthropódes e Parasitos, 21045-900, Instituto Oswaldo Cruz - FIOCRUZ, Av. Brasil, 4365, Rio de Janeiro, RJ, Brasil;, Email: tcmonte@ioc.fiocruz.br

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Online Publication Date:
01 Jan 2008
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Abstract

In order to determine the existence of differentiation in the lengths of the testis follicles between three species and one subspecies of Triatoma a detailed morphometric analysis was carried out. Captures were performed at different sites where the species were described: Caicó, state of Rio Grande do Norte (T. brasiliensis), Petrolina, state of Pernambuco (T. brasiliensis macromelasoma), Juazeiro, state of Bahia (T. juazeirensis) and Espinosa, state of Minas Gerais (T. melanica). The records of the lengths of the testis follicles were submitted to statistic analysis. Results showed that all Triatoma studied have seven follicles in the testis, following the Triatominae pattern, which present different lengths. The morphometric data indicate the separation of the species in three groups: T. brasiliensis, T. melanica, and T. juazeirensis+T. brasiliensis macromelasoma. The obtained results are in agreement with other previous morphologic, ecologic, genetic, molecular, and phylogeographic studies, corroborating the importance of the morphometry on the testis follicles for taxonomic studies of triatomines.

Title:
A comparative study of testis follicles in species of Triatoma (Hemiptera, Triatominae)
Article Type:
Research Article
DOI:
https://doi.org/10.1163/157075608X328062
Language:
English
Pages:
227–233
Keywords:
MORPHOLOGY; REPRODUCTIVE TRACT MALE; CHAGAS' DISEASE VECTOR
In:
Animal Biology
In:
Volume 58: Issue 2
Publisher:
Brill
E-ISSN:
1570-7563
Print ISSN:
1570-7555
Subjects:
Biology & Environmental Sciences, Biology

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