none Enter Chromatomyia horticola (Goureau) and these parasitoids were surveyed in Shimane Prefecture in 2006 and 2008. C. horticola was infested 24 crops and 8 weeds. Especially pea leaves were damaged by C. horticola from April to June. Alternatively, a total of 2l species (13genera in 3 family) of parasitoids were recorded as natural enemies of C. horticola. The dominant species were Dacnusa nipponica Takada, Halticoptera circulus (Walker), Diglyphus isaea (Walker), Chrysocharis pentheus (Walker) and Chrysocharis pubicornis (Zetterstedt). These species will also be able to parasite Liriomyza spp. Chromatomyia horticola (Agromyzidae): [Host]. Eulophidae (Chalcidoidea): [Parasite]. Pteromalidae (Chalcidoidea): [Parasite]. Braconidae (Ichneumonoidea): [Parasite].