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An updated and illustrated dichotomous key for the Chagas disease vectors of Triatoma brasiliensis species complex and their epidemiologic importance

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Author(s):
Dale, Carolina ; Almeidaz, Carlos Eduardo ; Mendonca, Vagner Jose ; Oliveria, jader ; da Rosa, Joao Aristeu ; Galvdos, Cleber ; Costa, Jane
Total Authors: 7
Document type: Journal article
Source: ZOOKEYS; v. N/A, n. 805, p. 11-pg., 2018-12-11.
Abstract

In the subfamily Triatominae, Triatoma exhibits the largest number of species, which are arranged in complexes. For the T. brasiliensis species complex, recent investigations based on results of geometric morphometrics combined with phylogeny have provided evidence that it should be composed of seven species: T. brasiliensis, T. bahiensis, T. juazeirensis, T. lenti, T. melanica, T. petrocchiae, and T. sherlocki, in which T. brasiliensis is divided in two subspecies: T. b. brasiliensis and T. b. macromelasoma. A taxonomic key is presented to identify each taxon. Among members of this complex, T. b. brasiliensis is the most important in an epidemiologic context, due to its high prevalence in natural infection by Trypanosoma cruzi combined with a pronounced adaptation to domiciliary habitats. However, some members may be currently invading and colonizing homes, a process known as domiciliation. Therefore, the key presented here may be potentially useful for researchers as well as those involved in vector control measures. (AU)

FAPESP's process: 16/08176-9 - An integrative approach to morphological and molecular diversity of Triatoma brasiliensis, the main Chagas Disease vector in the Brazilian semiarid: elucidating links along the epidemiological chain
Grantee:Carlos Eduardo de Almeida
Support Opportunities: Research Grants - Young Investigators Grants
FAPESP's process: 17/09088-9 - An integrative approach to morphological and molecular diversity of Triatoma brasiliensis, the main Chagas disease vector in the Brazilian semiarid: elucidating links along the epidemiological chain
Grantee:Carlos Eduardo de Almeida
Support Opportunities: Scholarships in Brazil - Young Researchers