Pseudamblyopus Araki, 1941

Liu, Jing, Lu, Weicheng, Zang, Haoming & Li, Jing, 2021, First record of the genus Pseudamblyopus (Coleoptera, Erotylidae) in China, with description of a new species, ZooKeys 1040, pp. 25-31 : 25

Genus Pseudamblyopus Araki, 1941

Type species.

Amblyopus palmipes Lewis, 1889.

Diagnosis.

Body small to medium-sized, oval to elongate oval, distinctly convex dorsally. Head with a pair of stridulatory files on the occipital region; lacinia without teeth at apex; terminal maxillary palpomere nearly triangular to semicircular; mentum much longer than wide, sharply and triangularly ridged on its surface; terminal labial palpomere elongate but not dilated terminally. Compound eye small and finely facetted; antennae rather short, antennomere III nearly equal in length to antennomere IV and V combined; antennal club compactly articulated, antennomere XI irregularly rounded, almost as long as wide, and much narrower than preceding segment. Pronotum approximately twice as wide at the base as long. The base of pronotum narrower than the base of elytra. Elytra convex, with eight regular rows of fine punctures on each elytron located in bottom of longitudinal furrows (striae). Prosternum rather short, prosternal process wide, widened posteriorly, markedly emarginate at its posterior border. Prosternum with prosternal lines, metaventrite with postmesocoxal lines and basal abdominal ventrite with postmetacoxal lines.

Legs rather short and robust; tibiae markedly expanded terminally.

Sexual dimorphism: male with legs more robust than in female, with extended and more dilated protarsi.

Distribution.

Japan (Hokkaido, Honshu, Shikoku, Kyushu), China (Guangdong), India (Nilgiri Hills), Russia (Far East).