Aphanerostethus incurvatus Kojima & Lewis sp. nov.

Figs 1 M – P, 3, 6 A, B, 15 G, H, 19 A, B

Specimens examined.

Holotype: Vietnam: • Lam Dong Province, Mount Lang Biang, 12°02'N, 108°26'E, elevation 1700 m, 17. II. 2011, H. Kojima, male deposited in TUA, JHLHY_DAR_095 . Paratypes: Vietnam: • Lam Dong Province, Mount Lang Biang, 12°02'N, 108°26'E, elevation 1700 m, 17. II. 2011, H. Kojima, (1, TUA), JHLHY_DAR_104 (EGP 0160 C 11) ; • same locality, 17. II. 2011, H. Kojima, (1, TUA), JHLHY_DAR_100 (EGP 0160 D 06) .

Diagnosis.

Body length 1.7–2.1 mm. Cuticle coated in dark, sandy gray, and white scales in indistinct pattern. Funicle with six articles. Procoxae contiguous. Only odd-numbered elytral intervals with erect scales. Erect elytral scales concentrated in bundle along third elytral interval at midpoint; evenly distributed along other intervals. Elytral interval 5 + 6 distinctly arched at base. Femora all with large tooth along ventral edge. Scutellum reduced. Prosternal cavity prominent and with steep lateral ridges. Metaventrite with a distinct elevated transverse ridge separating the meta- and mesocoxae. Metatibial uncus curved inwards, and with minute black tubercles at base in males (Fig. 1 M – P). Aedeagus evenly curved in lateral half, and in lateral view (Fig. 15 G, H). Internal sac with U-shaped, basal protruding structure (Fig. 15 G, H).

Distribution.

This species is currently only known from Mount Liang Bang, Lam Dong Province, Vietnam.

Etymology.

The specific name incurvatus is a Latin participle in reference to the incurved metatibial uncus of males (Fig. 1 M – P).