Abstract
ABSTRACT Anastrepha is one of the most species rich-genera of fruit flies in the order Diptera involving pest species of quarantine importance to Mexico. This study aimed to explore and analyze the natural parasitism associated with Anastrepha spp. in a Neotropical transition region from Mexico in the biosphere reserve ‘El Cielo,’ Tamaulipas, Mexico. Anastrepha was represented by Anastrepha fraterculus (Wiedemann), A. ludens Loew, A. obliqua Macquart, and A. zuelaniae. Doryctobracon areolatus (Szépligeti) revealed the highest parasitism rate (77.3%), followed by Trichopria sp. Ashmead (63.6%), Odontosema anastrephae (Borgmeier) (29.5%), Utetes anastrephae Viereck (7.95%), Doryctobracon crawfordi (Viereck) (7.69%), Aganaspis sp. Lin (1.2%)., and Trybliographa nordlanderi (Wharton) (0.7%). Prunus persica and Spondias mombin hosted the highest diversity of parasitoids. Natural parasitism of Do. crawfordi on A. ludens in Citrus sinensis is reported. Trichopria sp. was recorded attacking Anastrepha zuelaniae Stone in Passiflora serratifolia and O. anastrephae parasitising A. fraterculus and A. ludens on P. persica. Results highlight the prevalence of native parasitoids, as well as the biosphere reserve ‘El Cielo’ as the most northern natural reservoir of natural enemies of Anastrepha pest species in the neotropical region.
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