With the purpose of identifying the parasitic hymenoptera species associated with the diversity of bruchidae over Fabaceae, in 2017 seeds of 25 plant species were collected from the municipalities of Ahome, El Fuerte, Choix and Guasave (Sinaloa, Mexico). From 68,344 seeds, 19,396 adult bruquids were obtained, distributed in nine species: Acanthoscelides desmanthi, Callosobruchus maculatus, Merobruchus insolitus, Mimosestes mimosae, Mimosestes nubigens, Microsternus ulkei, Stator limbatus, S. pruininus and Zabrotes subfaciatus. Of the bruchids emerged 4,775 parasitoids, grouped in families Eulophidae (3,159), Braconidae (692), Pteromalidae (443), Eurytomidae (304), Bethylidae (134), Eupelmidae (40), and Trichogrammatidae (3), in 17 species; out of them, Horismenus depressus, Triaspis sp. and Eurytoma sp. had a presence in the four municipalities; 77.84% of the parasitoids was associated with M. mimosae (1,352), A. desmanthi (898), M. ulkei (753), and M. insolitus (714). The predominant species was H. depressus, with 60.63% of the population. In Ahome the highest parasitism was obtained (40.14%).
Key words: Bruchidae, Fabaceae, biological control, parasitism, horismenus depressus.
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