Cyrtomenus

Body oval, length 6.4–13 mm, uniformly red-brownish to black, dorsum convex. Mandibular plates from equal to longer than clypeus, rounded marginally or triangularly produced, surface rugose, finely punctate or smooth, with a submarginal complete row of secondary setigerous punctures each bearing a single hair-like seta. Anterior margin of pronotum moderately emarginated, submargin punctured without impressed line; anterior pronotal lobe smooth to densely punctured; transverse impression variable; posterior lobe impunctate to densely covered with fine punctures. Apex of protibia truncated; apex of mesotibia compressed. Labium variable in size, reaching between middle coxae and abdomen base. Sternites III to VI polished, with or without rows of setigerous punctures across segments. Genital capsule globose and simple, apical margin straight, dorsal rim sinuate. Gonocoxites VIII smooth with fine scattered punctures, larger than laterotergites VIII, posterior margin outline straight. Spermathecal duct short, distal duct twice length of intermediate part, proximal duct almost as long as intermediate part; dilation spherical with strongly pigmented central core surrounded by thick wall of tissue with external layer translucent and internal pigmented and serrated; spermathecal opening not sclerotized.

Literature