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The wild species Rhodnius brethesi (Matta, 1919) (Hemiptera: Reduviidae) is found in areas of piassabais in microregion of Rio Negro, Amazonas, Brazil. Its geographical distribution overlaps the areas of Leopoldinia piassaba palm. In areas where palm trees are found, transmission cycle of Trypanosoma cruzi is related to the extractive activity of the palm fiber, exposing workers to wild vector transmission of this parasite. The close association with the palm tree L. piassaba suggests that this wild triatomine has special features in its sensory system allowing specificity of ecotope. The objective of the study is to identify the antennal sensilla phenotype and morphologically characterize the size and shape of the wings of wild R. brethesi, and to compare with the phenotype present in individuals reared in the laboratory. From the samples taken in the field, the presence of the species R. brethesi was found on both banks of the Rio Negro. The techniques used to verify the morphological patterns are important resources for observations of the triatomine populations, be they in an artificial or natural habitat. © The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America.


Documento: Artículo
Título:Phenotypic variability of the amazonian species rhodnius brethesi (Hemiptera: Reduviidae)
Autor:Souza, A.C.; Catalá, S.; Carbajal De La Fuente, A.L.; Junqueira, A.C.V.
Filiación:Laboratório de Doenças Parasitárias, Instituto Oswaldo Cruz, Fiocruz - Rio de Janeiro, Brazil
Reference Laboratory for Sensory Patterns - CRILAR, Argentina
Laboratory of Eco-Epidemiology, IEGEBA - CONICET, Faculty of Exact and Natural Sciences, University of Buenos Aires, Argentina
Palabras clave:Leopoldinia piassaba; Rhodnius brethesi; sensilla; specificity; wing; anatomy and histology; animal; Brazil; breeding; female; male; phenotype; Rhodnius; sensillum; wing; Animals; Brazil; Breeding; Female; Male; Phenotype; Rhodnius; Sensilla; Wings, Animal
Página de inicio:909
Página de fin:916
Título revista:Journal of Medical Entomology
Título revista abreviado:J. Med. Entomol.


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---------- APA ----------
Souza, A.C., Catalá, S., Carbajal De La Fuente, A.L. & Junqueira, A.C.V. (2017) . Phenotypic variability of the amazonian species rhodnius brethesi (Hemiptera: Reduviidae). Journal of Medical Entomology, 54(4), 909-916.
---------- CHICAGO ----------
Souza, A.C., Catalá, S., Carbajal De La Fuente, A.L., Junqueira, A.C.V. "Phenotypic variability of the amazonian species rhodnius brethesi (Hemiptera: Reduviidae)" . Journal of Medical Entomology 54, no. 4 (2017) : 909-916.
---------- MLA ----------
Souza, A.C., Catalá, S., Carbajal De La Fuente, A.L., Junqueira, A.C.V. "Phenotypic variability of the amazonian species rhodnius brethesi (Hemiptera: Reduviidae)" . Journal of Medical Entomology, vol. 54, no. 4, 2017, pp. 909-916.
---------- VANCOUVER ----------
Souza, A.C., Catalá, S., Carbajal De La Fuente, A.L., Junqueira, A.C.V. Phenotypic variability of the amazonian species rhodnius brethesi (Hemiptera: Reduviidae). J. Med. Entomol. 2017;54(4):909-916.