Pediopsoides formosanus Matsumura, 1912, by original designation.

The nominate subgenus was characterized by Hamilton (1980) and Li et al. (2012). It can be distinguished by the following combination of features: pronotal striations oblique, forewings with two anteapical cells, dorsal connective freely attached (fused in subgenus Pediopsoides (Celopsis)) to tenth tergite, and male pygofer without multifid or additional spines [male pygofer spine bifid or with rounded lobe on inner margin basally in subgenus Pediopsoides (Sispocnis), a small secondary pygofer spine posteriorly in subgenus Pediopsoides (Nanopsis), and male pygofer spine are multifid in subgenus Pediopsoides (Kiamoncopsis)].

Oriental region: China, Japan and India.

CHINA: Guangxi Province, Damingshan.

Body length (including tegmina), ♂, 4.0 mm.

Body coloration. General color (Figs 1–3) yellowish brown. Face (Fig. 3) yellowish with slight greenish tinge, eyes pale brown, slight brown oblique band adjacent inner sides of ocelli, lower part of face pale brown. Pronotum (Fig. 1) dark brown centrally, lateral and front margins gradually more yellowish. Scutellum (Fig. 1) dark brown except lateral margins yellowish. Forewings (Fig. 2) evenly dark brown except yellowish basal part. Legs pale yellowish.

External morphology. Head, face, pronotum, and scutellum faintly striated. Head (Fig. 1), in dorsal view, clearly arcuate forward, slightly narrower than pronotum, crown distinctly shorter medially than next to eyes. Face (Fig. 3), in lateral view, moderately flat; in facial view, as wide as long across eyes; dorsal part of frontoclypeus with slight medial longitudinal carina; ocelli about 9 times their diameter to adjacent eye; lacking clear sutures between lora and frontoclypeus. Pronotum (Fig. 1) 2.2 times as long as wide, frontally and laterally with oblique striations; anterior margin strongly arched, posterior margin excavate medially. Scutellum (Fig. 1) 1.3 times longer than pronotum. Forewings (Fig. 2) hyaline, with 2 anteapical cells, venation protruding. Hind femoral macrosetae 2+1; hind tibia with 7 macrosetae on AD row, 5 on AV row, 11–12 on PD row, dense and slender on PV row.

Male genitalia. Pygofer (Fig. 7), with dorsal margin incised, caudal margin truncate, slightly sinuated in lateral view, ventral margin serrate distally with few fine setae. Subgenital plate (Fig. 7), in lateral view, slightly shorter than pygofer, slender, rod-like, with many scattered setae. Style (Fig. 8), slender, apophysis margined with short fine setae, slightly angled after lateral lobe, slightly inflated subapically, apex subacute. Connective (Figs 9–10) distinctly longer than greatest width basally, with anterior medial process long, arms bent dorsally. Aedeagus (Figs 11–12), with short preatrium; dorsal apodeme moderately long; shaft sinuate, in lateral view apex truncate, in ventral view broad basally, widened subapically; gonopore long, apical on ventral margin. Dorsal connective (Fig. 13) “S” shaped with acute apex.

Female. Unknown.

Holotype, ♂, CHINA: Guangxi Province, Damingshan National Natural Reserve, 14. V. 2012, collected by Li Hu.

Distribution. Guangxi Prov. (Damingshan), China (Fig. 22).

This new species differs from other members of the subgenus Pediopsoides (Pediopsoides) by the shape of the male genitalia.

The new species name refers to the type locality, Damingshan.

CHINA: Guangxi Province, Tianlin.

Body length (including tegmina), ♂, 4.5 mm.

Body coloration. Color (Figs 4–6) similar to Pediopsoides (Pediopsoides) damingshanensis but darker; with large black spot adjacent antennal pit and basal parts of fore femur and coxa, middle and hind coxa marked with dark brown.

External morphology. As in Pediopsoides (Pediopsoides) damingshanensis but head more narrower than pronotum and crown more arcuate forward; face (Fig. 6), in lateral view, slightly inflated; ocelli with their spacing about 8 times than that of ocellus to adjacent eye; scutellum (Fig. 4) about 1.4 times longer than pronotum. Hind femoral macrosetae 2+1; hind tibia with 7 macrosetae on AD row, 6 on AV row, 11 on PD row, dense and slender on PV row.

Male genitalia. Similar to Pediopsoides (Pediopsoides) damingshanensis but pygofer (Fig. 14) shorter, style (Fig. 16) with lateral lobe shorter and apex bearing a spine-like process and connective (Figs 17–18) more robust in lateral view. Aedeagus (Figs 19–20) with basal apodeme reduced; preatrium moderately long; shaft in lateral view relatively straight, evenly tapered to sharply pointed and upturned apex; in ventral view shaft similar in width throughout length with rounded apex; gonopore apical on ventral margin. Dorsal connective (Fig. 21) strongly developed “S” shaped, medially produced into bifurcate process, two dorsal branches widely spaced and tapered to acute apex.

Female. Unknown.

Holotype, ♂, CHINA: Guangxi Province, Baise City, Tianlin County, Langping Village, 23. IV. 2012, collected by Zheng Weibin.

Guangxi Prov. (Tianlin), China (Fig. 22).

The new species is similar to Pediopsoides (Pediopsoides) damingshanensis sp. n. but can be distinguished by its darker colour and differences in the male genitalia (see description).

This species is named in honour of Dr. Dmitri Yu. Tishechkin for his excellent contribution to Macropsis systematics of the Palaearctic region, and invaluable help to the first author.