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Sometimes, the size matters: Wing geometric morphometrics as a tool to assess domiciliation by Triatoma sordida (Stäl
Gilmar Ribeiro-Jr1, Jamylle Reis1, Fernanda Vaccarezza1
1Instituto Gonçalo Moniz, FIOCRUZ, Salvador, BA, Brasil.
Background:
Domiciliation by Triatoma sordida is a public health concern in South America. This study aimed to evaluate the morphometric changes in the domestic and peridomestic populations of T. sordida.
Methods:
Specimen hemelytra were mounted, digitized, and processed for geometric morphometric analyses.
Results:
The specimens captured in houses were smaller than those captured in peridomiciles. A large size reduction effect was observed in female peridomicile populations compared with female house populations.
Conclusions:
T. sordida house populations were smaller than peridomestic populations. Wing geometric morphometry can be used as a tool to indicate T. sordida domiciliation.
