We investigated hymenopterous parasitoid complex of gardenpea leafminer, Chromatomyia horticola (Goureau) on gardenpeas in vegetable fields in Hisayama, Fukuoka from April to May in 2004, from January to April in 2005, and from April to May in 2006. A total of 20 parasitoid species belonging to 3 families, Eulophidae (16 species), Pteromalidae (2 species), and Braconidae (2 species), were recorded from larvae and pupae of C. horticola. The first, second and third dominant species of the parasitoids were Diglyphus isaea, Chrysocharis pentheus and C. pubicornis in 2004, Dacnusa nipponica, D. isaea and C. pubicornis in 2005, and C. pentheus, D. isaea and D. nipponica in 2006, respectively, suggesting that the rank order changed year by year. However, the order of the dominance was almost constant between different fields in 2005. It is suggested that parasitoid fauna of C. horticola is rather constant among the fields within a year in a given area, but is variable between years in the area.