Variations of the external male genitalia in three populations of Triatoma infestans Klug, 1834

Triatoma infestans is the triatomine that presents the greatest dispersion area in South America. However, it is not known whether the original characteristics of this insect remained in its long dispersion process. The purpose of this work was to study comparatively the external male genitalia of i...

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Bibliographic Details
Published in:Memórias do Instituto Oswaldo Cruz 1998-07, Vol.93 (4), p.479-483
Main Authors: Pires, H H, Barbosa, S E, Margonari, C, Jurberg, J, Diotaiuti, L
Format: Article
Language:English
Subjects:
Animals
Genitalia, Male - anatomy & histology
Male
male genitalia
PARASITOLOGY
populational variation
Sexual Behavior, Animal
Triatoma - anatomy & histology
Triatoma infestans
Triatoma infestans - male genitalia - populational variation
TROPICAL MEDICINE
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Summary:Triatoma infestans is the triatomine that presents the greatest dispersion area in South America. However, it is not known whether the original characteristics of this insect remained in its long dispersion process. The purpose of this work was to study comparatively the external male genitalia of insects from different populations of T. infestans, two from Brazil (Minas Gerais and Bahia) and one from Bolivia (Cochabamba Valley), and to investigate the correlation between the morphological and behavioral variations. Differences were observed in one of the structures of the external genitalia (endosoma process) that could be used to characterize the insects from the three populations studied.
ISSN:1678-8060
0074-0276
0074-0276
1678-8060
DOI:10.1590/S0074-02761998000400011