Limnellia luchunensis sp. nov.

(Figs. 4–6)

Diagnosis. Palpi light brown; legs black; wings with three large and one small white markings in R1 cell (Fig. 4); halters light brown.

Material studied. Holotype 3, China, Yunnan, Luchun, Huanglianshan Nature Reserve 23°00'N, 102°24'E, 22.V.2006, Junhua Zhang leg.

Description. Male. Body length: 1.60 mm, wing length: 1.73 mm.

Head subshiny black with brownish yellow microtomentum; frons with brownish yellow microtomentum; face and cheek black with grayish white microtomentum. 2 vertical setae; 1 strong lateroclinate orbital seta; 1 pair of strong ocellar setae. Face with strong setae. Gena with 1 strong seta. Antenna black. Palpi light brown. Gena-to-eye ratio 0.12.

Thorax subshiny black; mesonotum with guttate markings. 1 presutural seta; 2 strong dorsocentral setae (0+2); 2 notopleural setae; 1 strong supra-alar seta. Anepisternum with 1 strong seta at posterior margin; katepisternum with 1 strong seta. Scutellum black, with 1 pair of scutellar setae. Legs black. Wings with three distinct white markings in R1 cell (Fig. 4). Costal vein ratio 0.23. M vein ratio 0.80. Halters light brown.

Abdomen subshiny black with thin brownish yellow microtomentum.

Male genitalia (Figs. 5–6). Epandrium as long as wide, rounded dorsally and truncate ventrally in posterior view (Fig. 5); surstyli subquadrangular, as long as wide, not fused with ventral margin of epandrium in posterior view (Fig. 5); aedeagus with slender projection (Fig. 6); phallapodeme as a slender process attached to posterodorsal portion of aedeagus (Fig. 6).

Distribution. China (Yunnan).

Remarks. Limnellia luchunensis sp. nov. is distinctly from other known species in the following combination characters: palpi light brown; legs black; wings with three large and one small white markings in R1 cell; halters light brown; epandrium as long as wide, rounded dorsally and truncate ventrally in posterior view; surstyli subquadrangular, as long as wide; aedeagus with slender projection; phallapodeme as a slender process attached to posterodorsal portion of aedeagus.

Etymology. The specific epithet, luchunensis, refers to the type locality Luchun.