Infection of eggs of Triatoma dimidiata (Hemiptera; Reduviidae) with Telenomus fariai (Hymenoptera: Scelionidae) in Alajuela, Costa Rica
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Abstract
Microhymenoptera of the species Telenomus fariai (Hymenoptera: Scelionidae) are recognized parasitoids of eggs of kissing bugs. Tese wasps constitute a potential modulator of populations of Triatoma dimidiata (Hemiptera: Reduviidae), the main vector of Chagas disease in Central America. Tis study describes the infection by T. fariai in feld-collected eggs of T. dimidiata (Hemiptera: Reduviidae). Te eggs were obtained in the peridomicile of a house in Tuetal Sur (Alajuela Province, Costa Rica). Te wasp progeny, observed 24 h after receiving the eggs, consisted mainly of females (94.0%). Te species confrmation was carried out by analysis of the male genitalia and DNA sequences corresponding to a fragment of the cytochrome c oxidase subunit 1 mitochondrial gene (COI). Te identity of the wasp, based on analysis of sequences, places the local strain in proximity to specimens collected in Veracruz, Mexico. Te characterization of strains of T. fariai could be useful for the identifcation of the best candidates to be employed in the biological control of T. dimidiata.
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