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8 January 2019 Does Beauveria bassiana (Hypocreales: Cordycipitaceae) Affect the Survival and Fecundity of the Parasitoid Coptera haywardi (Hymenoptera: Diapriidae)?
Olga Yaneth Martínez-Barrera, Jorge Toledo, Pablo Liedo, Jaime Gómez, Javier Valle-Mora, Jorge Cancino, Pablo Montoya
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Abstract

The effect of the entomopathogenic fungus Beauveria bassiana (Balsamo) Vuillemin on the development of immature stages, and survival and fecundity of Coptera haywardi (Oglobin) adults was studied under laboratory conditions.The fungus was applied as dry conidia on parasitized pupae of Anastrepha obliqua (Macquart) (Diptera: Tephritidae) and on parasitoid adults of two different age groups (1- to 4-d-old, and 5- to 10-d-old). The fungus caused no negative effects on the development of the immature stages, since there were no differences on the emergence of adults compared with the untreated control. Adults were susceptible to the fungus on both sexes and age groups. Males showed shorter lifespan than females, even in untreated individuals. Despite the increased adult mortality produced by the fungus there was no effect on fecundity during first 18 d of adult life, as the net fecundity was 26.7 and 26.3 parasitoids per female treated and untreated, respectively. Our results suggest that, given the low susceptibility of parasitized pupae and the no effect on fecundity during the first 18 d of adult life, it is possible to develop management strategies using these two natural enemies in the biological control against A. obliqua.

© The Author(s) 2019. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Olga Yaneth Martínez-Barrera, Jorge Toledo, Pablo Liedo, Jaime Gómez, Javier Valle-Mora, Jorge Cancino, and Pablo Montoya "Does Beauveria bassiana (Hypocreales: Cordycipitaceae) Affect the Survival and Fecundity of the Parasitoid Coptera haywardi (Hymenoptera: Diapriidae)?," Environmental Entomology 48(1), 156-162, (8 January 2019). https://doi.org/10.1093/ee/nvy182
Received: 17 February 2018; Accepted: 25 November 2018; Published: 8 January 2019
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KEYWORDS
Anastrepha spp.
biological control
endoparasitoid
entomopathogenic fungus
susceptibility
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