Abstract Background Entomopathogenic nematodes (EPNs) have more important role in biological control of economic insect pests. The effect native EPNs on adults the lucerne beetle, Gonioctena fornicata (Brüggemann, 1873) (Coleoptera: Chrysomelidae), and alfalfa weevil, Hypera postica (Gyllenhal, 1813) Curculionidae), which are pests Turkey around world, was investigated. Results Dose-mortality a...