Acanthotomicus

Adult male: total mean length 2.33 mm (paratypes 2.3–2.5 mm), 3.33× as long as wide; mean width 0.73 mm (0.7–0.8 mm). Antennae, head, legs, thorax, and elytra reddish-brown. Frons slightly convex, shagreened, with scattered punctures; scattered frontal tubercles approximately mid-frons, one larger median tubercle. Antennal club flattened, longer than wide, with sensillae on anterior face, partitioned by two procurved sutures. Pronotum with summit approximately on anterior third; anterior half with scalpriform rugosities and interspersed setae; posterior half of disc shining, shallowly, minutely punctate, with scattered erect hair-like setae. Elytra together 1.75× as long as wide, 1.56× longer than pronotum. Discal strial punctures uniseriate, nearly contiguous, shallowly impressed, 1.5× width of interstriae; interstrial setae uniseriate, 1–1.5× width of interstria. Declivital face with striae 1 and 2 curving laterally, declivital suture setose. Female similar to male except frons concave, glabrous, without median large granule.

Literature