Mencius simplex Li, Jiang & Dai sp. nov.

Figs 2, 4, 5

Description.

Head (Fig. 2 A) yellowish green; eyes grey; ocelli grayish white. Thorax sordid yellowish green. Forewings (Fig. 2 A, C) yellowish hyaline, semitransparent.

Head. Crown flat, more or less horizontal, surface punctate with median ridge, approximately 2.2 times as long as wide between eyes (Fig. 2 A). Ocelli not prominent, positioned nearly equidistant from each other and from adjacent eye. Pronotum shallowly foveate on either side of median line in anterior half; anterior margin slightly convex, posterior margin medially concave, lateral margin somewhat straight; medially slightly shorter than crown (Fig. 2 A). Mesonotum slightly longer than pronotum (Fig. 2 A). Forewing with claval region densely punctate, apical margin obliquely truncate (Fig. 2 A, C).

Male genitalia. Pygofer side triangular in lateral view, apex gradually tapered, with slender process extending posteriorly from ventral margin internally (Fig. 4 A, E). Style broad in middle region, caudal portion shorter than anterior portion, tapering anteriorly and posteriorly; caudal portion robust, anterior portion curved ventrally with beak-shaped apex (Fig. 4 C, D, F, G). Connective T-shaped with high dorsomedial keel (Fig. 4 C, D, F, G). Aedeagus with shaft elongate, tubular, curved dorsally, with dorsal protrusion near center and pair of dorsal protrusions near first one-third; gonopore apical, orifice with 1 slender process; basal apodeme distinct (Fig. 4 C, D, F, G).

Measurements.

Length (including tegmen): ♂, 11.2 mm (N = 1).

Type material.

Holotype: • ♂, China: Guangxi, Guilin, Huaping, 2.vii.2022, coll. Jiang Sai (QFNU).

Host plant.

Unknown.

Distribution.

China: Guangxi (Fig. 5).

Etymology.

The species name is derived from the Latin words simplex (simple), referring to the single process of the aedeagal shaft.