Macrosteles falcatus Zhang & Lu, sp. nov.

(Plate 4, figs. 11–20)

Length (including tegmen). Male: 3.2–3.3 mm; female: 4.0– 4.1 mm.

Pale green; head with 3 pair of irregular black spots; pronotum pale yellow with smoky marks, anterior margin with small black spots; scutellum with basal triangle and transverse suture black; forewings smoky, clavus slightly brownish. Vertex with midlength slightly longer than next to eyes and shorter than between eyes.

Male genitalia. Pygofer with distinct tubercle on caudo-ventral margin. Subgenital plates with outer margin convex over basal two-thirds. Aedeagus with shaft elongate, weakly curved dorsad, with lateral teeth from near base to near apex, slightly to apex, apical appendages moderately long, evenly curved dorsally, sickle-like, in lateral aspect, divergent. Male 2nd abdominal apodemes extending beyond posterior margin of sternum.

Holotype: male, CHINA, Yunnan Prov., Shangri-La County, 19.vii.2005, Coll. Lu Lin (NWAFU). Paratypes: 3 males, 4 females, same data as holotype (NWAFU and 1 male BMNH).

Distribution. China (Yunnan).

Remarks. The species is similar to M. laevis, but can be differentiated from the latter by the shorter apical aedeagal appendages, and longer male 2nd abdominal apodemes.

Etymology. The species epithet “ falcatus ” refers to the sickle-shaped aedeagal processes in lateral view.