Species diversity of natural enemies in corn fields and surrounding grasslands of Semnan province, Iran

Abstract

This paper deals in part with the fauna of natural enemies in corn fields and surrounding grasslands of Semnan. In a total 54 predator and parasitoid species from twelve families including, Asilidae (3), Braconidae (7), Carabidae (7), Chalcididae (2), Chrysopidae (1), Coccinellidae (5), Eulophidae (3), Ichneumonidae (8), Staphylinidae (7), Syrphidae (6), Tachinidae (4) and Trichogrammatidae (1), and four orders (Coleoptera, Diptera, Hymenoptera and Neuroptera) were collected.