Agnesiella (D.) exigua Huang & Zhang sp. nov.

(Figs 34, 38, 42, 46, 137–142)

Measurement. Male, 3.81 mm (including wings).

Body infuscate (Figs 34, 38). Face with brown transverse streaks on brownish frontoclypeal area, lorum brownish, anteclypeus and upper parts of gena black-brown (Fig. 46). Vertex testaceous near coronal suture. Pronotum with 7 patches black-brown and remaining most parts suffused with reddish. Most of scutellum red ochre with triangles dark brown; central area light yellow ochre with 2 small dark brown patches (Fig. 42). Forewing with 2 broad brownish bands, one at base and other at central part of basal half, most of remaining parts covered with smoky infuscate pattern; brochosome field reddish (Figs 34, 38, 137).

Abdominal apodemes reaching center of 5th abdominal sternite. Male pygofer side with 2 bands of setae longitudinally near ventral margin; posterior margin with a few scattered rigid microsetae near upper part, and a short horn-like appendage on central part (Fig. 138). Subgenital plate subapically with a small protrusion bearing 3 peglike setae apically (Fig. 139). Paramere without subapical protrusion (Fig. 140). Aedeagal shaft straight with an arched lamellar ventral extension terminally, and a ventral appendage near base bearing 2 long digitiform branches directed upwards (Figs 141, 142).

Specimens examined. Holotype: ♂, CHINA, Sichuan Province, Moxi, 1600m, Alnus nepalensis, 5-XI-1999, coll. I. Dworakowska. Paratype: 1♂, same data as holotype .

Etymology. The specific name is derived from Latin word “exiguus which means “weak, referring to its underdeveloped paramere and aedeagus (Figs 140, 141).

Notes. The new species resembles Agnesiella (Draberiella) olena, but differs in the male paramere without a subapical protrusion (Fig. 140), and in aedeagal shaft with ventral appendage shorter and upper branch of ventral appendage longer than lower one (Figs 141, 142).