(Figs 22 –30, 37)
Holotype. female, China: Beijing, Huairou, 7.VII. 2013, Ex. Protohermes xanthodes, Coll. FQ Chen (IZCAS). Paratypes: 22 females, data same as holotype.
Description. Female (Holotype): length excluding ovipositor 1.0 mm (Fig. 37). Head dark brown with slight green sheen; pronotum and mesonotum dark brown with purplish sheen; posterior half of scutellum with a metallic green sheen; mesopleuron yellow; propodeum pale brown; antenna with scape yellow-brown; pedicel and flagellum pale brown; maxillary and labial palpi yellow; wings hyaline; legs mostly yellow except hind femur dark brown (Fig. 29); metasoma with slightly purplish sheen; ovipositor sheath yellow.
Head. Frontovertex with fairly regular polygonal reticulate sculpture; eyes clothed in very fine, inconspicuous setae and slightly overreaching occipital margin which is sharp; ocelli forming acute angle about 70 °; scrobe deep; torulus located midway between lowest eye margin and clypeus, separated from each other by about 1.5 × own diameter; antenna with scape cylindrical, about 3.6 × as long as broad; pedicel subtriangular, 2 × as long as broad; funiculars transverse, F 1 –F 4 subequal in length, F 2 –F 4 subequal in width, F 5 –F 6 gradually broader, ratio of width and length of each segment: 1.5, 2, 2, 2, 1.7, 2; clava 3 -segmented, about as long as F 1 –F 6 combined, wider than F 6, apex with short slightly oblique truncation (Fig. 22); mandible with three acute teeth (Fig. 24); maxillary and labial palpi 4 - and 3 -segmented respectively (Fig. 23).
Mesosoma. Pronotum and mesonotum clothed with sparse black setae, with shallow imbricate-reticulate sculpture except apex of scutellum smooth, with 2 or 3 long setae; mesopleuron more or less enlarged but not reaching metasoma so that metapleuron not visible laterally and propodeum slightly separated from base of hind coxa; fore wing (Fig. 25) about 2.5 × as long as wide; costal cell with more than one line of setae dorsally; linea calva more or less closed by a single line of setae dorsally; marginal vein about as long as stigmal vein; postmarginal vein about four-fifths as long as marginal vein.
Metasoma. Longer than mesosoma; hypopygium reaching slightly more than two-thirds length of metasoma; ovipositor clearly exserted (Fig. 30), relative proportion of OL and MT: 63: 35.
Relative measurements. HW 48, HL 39, FV 17, FVL 25, POL 6, AOL 4, OOL 1, OCL 2, POD 4, AOD 4, EL 25, EW 17, MS 5, SL 18, SW 5, PL 8, PW 4, CL 14, CW 7, FWL 131, FWW 53, HWL 85, HWW 19, MT 35, MTS 10, OL 63, GL 20.
Male. Unknown.
Host. Protohermes xanthodes Navás (Megaloptera: Corydalidae).
Distribution. China (Beijing).
Etymology. The specific epithet of this new species refers to its host.