5. * Pteroptrix sp. 2 (Fig. 4)

Diagnosis. Male: Body 0.5 mm long, usually dark brown except posterior scutellum; antenna eightsegmented; scape with a sensory structure on basal third of the segment; F1, F3–F6 with a few longitudinal sensilla; F2 shortest; tarsi four-segmented.

Material examined. Korea. GG: 476 Dongtanjiseong-ro, Yeongtong-gu, Suwon-si, 1 male, ex. P. cockerelli on T. cuspidata, 11-vii-2014 (S.J. Suh) .

Remarks. A single species of Pteroptrix was recorded to be associated with P. cockerelli in Korea, but was not determined. The males of Pteroptrix are likely to be hyperparasitoids; the females are primary parasitoids.