The species of the genus Mepraia Mazza, Gajardo Tobar and Jörg (Hemiptera, Reduviidae:Triatominae) exhibit polymorphism in their hemelytra. The females of all species are always micropterous, but the males can be micropterous, brachypterous, or macropterous. Mepraia gajardoi Frías, Henry and González (Hemiptera: Reduviidae) males are always brachypterous, Mepraia parapatrica Frías-Lasserre (Hemiptera: Reduviidae) males are macropterous or brachypterous and Mepraia spinolai (Porter) (Hemiptera: Reduviidae) males are macropterous, brachypterous, or micropterous. Here, we determined distinctive characteristics of the hemelytra of the males of these three species and found that the length of the hemelytra of the brachypterous males in these three species differs statistically, as does their shape and morphology. These differences are particularly apparent at the apex of the hemelytra, the anterior part of the corium, in the morphology and number of the ctenidia of coaptors, and presence or absence of the cross vein of the hemelytra. Based on this, we propose a key based on hemelytra characteristics to identify the males of the three Mepraia species.
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18 July 2018
The Interspecific Hemelytra Differences Among Mepraia Species Males (Hemiptera, Reduviidae:Triatominae) in Chile
Daniel Frías-Lasserre,
Christian R. González,
Carolina Reyes,
Alberto Lecaros Alvarado
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Journal of Medical Entomology
Vol. 55 • No. 6
November 2018
Vol. 55 • No. 6
November 2018
Chagas disease
hemelytra polymorphism
Mepraia