Morphological study of the urotergite I process in ten species of the genus Triatoma (Hemiptera, Reduviidae, Triatominae)
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Citações na Scopus
1
Tipo de produção
article
Data de publicação
2019
Título da Revista
ISSN da Revista
Título do Volume
Editora
ELSEVIER SCIENCE BV
Autores
OSORIO-QUINTERO, Lisardo
CERETTI JR., Walter
ROSA, Joao Aristeu da
OLIVEIRA, Jader de
OBARA, Marcos Takashi
BARATA, Jose Maria Soares
Citação
ACTA TROPICA, v.192, p.112-122, 2019
Resumo
The insects of subfamily Triatominae exhibit many morphological features used for taxonomic identification. In some species, however, these features are very similar. The authors have proposed by first time the description of the structure referred as urotergite I process. The objective of the study was analyse the use of urotergite I process in the species of the genus Triatoma as a taxonomic feature that may contribute to the more precise and correct identification of these Ttypanosoma cruzi Chagas, 1909 vectors. Scanning electron microscopy (SEM) was used to describe the structure of urotergite I process in ten Triatoma (Hemiptera, Reduviidae, Triatominae) species: Triatoma brasiliensis Neiva, 1911; Triatoma circummaculata Stal, 1859; Triatoma infestans (Klug, 1834); Triatoma maculata (Erichson, 1848); Triatoma pseudomaculata Correa & Espinola, 1964; Triatoma rubrovaria (Blanchard, 1843); Triatoma sordida (Stal, 1859); Triatoma tibiamaculata (Pinto, 1926); Triatoma vitticeps (Stal, 1859) and Triatoma wygodzinskyi Lent, 1951. The morphological description of the urotergite I process reflects the taxonomic value of the structure for separating and identifying species of ten specimens of the genus Triatoma. The morphological pattern of the urotergite I process on these ten species was compared, and inter specific variability was observed. We suggest the use of the urotergite I process as a complementary character to identify insects of the subfamily Triatominae. In the future, the use of the urotergite I process in dichotomic keys to identify triatomines may contribute to the improvement of the entomological surveillance of Chagas' disease.
Palavras-chave
Morphology, Triatominae, Taxonomy, Urotergite, Chagas disease
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