A review of the genus Actenoncus Chaudoir (Coleoptera: Caraboidea: Orthogoniini) Author Tian, Ming-Yi Author Deuve, Thierry text Zootaxa 2009 2135 57 64 journal article 10.5281/zenodo.188480 5b802eb4-0eb4-482b-8735-04ab224f8ee1 1175-5326 188480 Actenoncus punctatus Tian and Deuve ( Figs. 3 , 6 and 9 ) Actenoncus punctatus Tian and Deuve, 2006b : 152 Diagnosis. Rather small, light dark brown, right mandible without median tooth, labrum emarginated at frontal margin, head and pronotum coarsely punctate, elytral striae shallow, punctures large and isolated; abdominal ventrite VII deeply emarginated at apical margin in male, aedeagus more slender. Length: 13.5 mm ; width: 5.5 mm . Body light dark brown. Habitus as in Fig. 3 . Surface very shiny, head and pronotum with sparse and small punctures, elytra glabrous. Microsculptural meshes densely isodiametric. Head as long as wide; eyes large, extraordinary prominent, neck constricted, labrum slightly emarginated at frontal margin, frontal impressions deep and short, not extending the level of fore margins of eyes; clypeus bisetose, base slightly raised; mandibles strong, right mandible without median tooth; palpi similar to those of above species; ligula narrow, bisetose at apex; mentum without median tooth, asetose, submentum with a pair of setae; palpiger unisetose; antennae similar to those of A. wallacei , but extending to basal one-fourth of elytra. Pronotum similar to that of above species (PW/PL=1.6), but lateral expanded margins wider, basal margin slightly produced backwards in median portion. Elytra elongate ovate, EL/EW=1.5, convex; base unbordered, widest a little behind middle, paralleled at sides; apex broadly truncate, inner angle nearly rectangular, pointed; elytral striae shallow, strial punctures large, well-marked and isolated; intervals flat, equal in width at middle, without puncture and setiferous pore, except a row of tiny punctures at basal part of interval 8. Prosternal process unbordered at apex. Hind tarsomere 4 slightly emarginated at apex. Abdominal ventrite VII slightly emarginated at apical margin in male ( Fig. 6 ). Male genitalia. The median lobe of aedeagus slender and elongate, slightly expanded in median portion, the apical lamella slightly longer than wide, rounded at apex ( Fig. 9 ). Female. Unknown. Distribution. Indonesia and Malaysia , occurring in the islands of Borneo and Sumatra. Materials examined. 1 male , the holotype , “Borneo Occ. Pontainak, 1899”, from west Borneo, Indonesia ( MNHN ); 1 male , a paratype , “Borneo, 3412”, “Bowring, 63.47” and “ Actenoncus sp. n. ”( NHML ); 1 male , a paratype , “Sumatra, 1979, E. W. Diehl”, “Sinder Raya, 14. X. , 40 km , W. Dolok M.”, in ( NHMB ); 1 male , “ Malaysia : Sabah Mt., Kinabalu Park, Poring Hot, Springs, 15–30. 12. 1995 ”, and “Coll. Natur. Museum Stuttgart, W. Schawaller” ( NHMS ).