(Figs 1 m–q, 9)
Description. Body (Fig. 1 m, n) light brownish, central part of vertex and pronotum, mesonotum and clavus of forewing brown, forming longitudinal dark stripe on dorsum. Coronal suture (Fig. 1 o, p) almost reaching tip of vertex. Face (Fig. 1 q) comparatively short, midline of frontoclypeal area and lower part of anteclypeus dark.
Abdominal apodemes short, extended to 4 th sternite. Anal tube appendage (Fig. 9 a, b) large and long, exceeding hind margin of pygofer side.
Pygofer dorsal appendage (Fig. 9 a, b) straight and short, tapering towards apex. Subgenital plate (Fig. 9 a, d) with 6 macrosetae, lateral margin with setae-free region medially. Apex of paramere (Fig. 9 e) footlike, heel expended, approximately the same length as anterior point. Connective (Fig. 9 f) broad, manubrium short. Aedaegal shaft (Fig. 9 g, h) straight, denticulate distally, with tiny fin-shaped protrusion dorsally; dorsal apodeme well developed, ventral process extremely small, flattened in lateral view; gonopore terminal.
Measurement. Body length: males 3.0– 3.1mm.
Material examined. Holotype: 3, China: Tibet, Linzhi, Gengzhang, 3050m, 1 vi 1978, coll. Li Fasheng. Paratype: 13, same data as holotype
Remarks. This species may be distinguished by its distinctively shaped paramere, and aedeagus with a dorsal protrusion and short, flattened ventral process.
Etymology. The specific name is derived from the Latin word “explanatus”, referring to the flattened ventral process of the aedeagus.