(Fig. 2)

Description. Body about 1 mm long, pale yellowish with fuscous markings; head with a transverse, strongly pigmented black bar on occiput, on each side of foramen; antennal scape pale, with a longitudinal fuscous stripe, pedicel and funicular segments fuscous, basal part of club usually somewhat paler, apex of club blackish; propodeal crenulae fairly numerous, narrow, elongate and nonoverlapping; centre of abdomen immaculate, short fuscous stripes on sides of tergites, tergite VII with a crossband; forewing usually about 2.6× as long as wide, marginal vein considerably longer than submarginal vein, with a delta-shaped area basad of speculum bearing 10–12 rows of 100–116 setae; ovipositor shaft about 1.5 × as long as the middle tibia.

Material examined. Korea. Gyeongsangbukdo (GB) 500 Obong-ri, Nam-myeon, Gimcheon-si, 2 females, ex. P. pentagona on P. salicina, 24-iii-2020 (S.J. Suh); Bongcheon 2-ri, Nam-myeon, Gimcheon-si, 3 females, ex. P. pentagona on P. salicina, 12-v-2020 (S.J. Suh).