InterL 11JL08 - not available Here we report on the results of studying of the fauna and field efficacy parasitoids of coprophilous and necrophilous flies. The research took place in different types of pastures of the some ranges of Altai, south-eastern and eastern Kazakhstan. Were found 31 species from 7 families Hymenoptera (Chalcididae, Diapriidae, Pteromalidae, Braconidae, Ichneumonidae, Figitidae, Eucoliidae). The results of pupariums incubation have indicated that parasitoids show a certain preference for some types of substrates that is connected with differences in species composition of flies larvae. The total invasion of pupariums of some numerous species Sarcophagidae, Calliphoridae reached in some samples 80% and 56% accordingly. Figites spp., Trybliographa submontana are most significant in regulating the number of coprophilous flies. Pupariums of necrophilous flies are invasion chiefly by Alysia spp. Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Habitat; Terrestrial habitat; Land and freshwater zones; Palaearctic region Diptera; Hymenopteran parasites; Parasitoid survey & prevalence in hosts associated with dung & carrion; Dung habitat; Hymenopteran parasitoid survey & prevalence in coprophilous hosts; Animal remains as habitat; Carrion; Hymenopteran parasitoid survey & prevalence in necrophilous hosts; Kazakhstan; Hymenopteran parasitoid survey & prevalence in hosts associated with dung & carrion Hymenoptera; Dipteran hosts; Parasitoid survey & prevalence in hosts associated with dung & carrion; Kazakhstan; Parasitoid survey & prevalence in dipteran hosts associated with dung & carrion none2002