Re-definition and review of the Oriental genus Hexachaetus Chaudoir, 1871 (Coleoptera: Carabidae: Orthogoniini) Author Tian, Mingyi Author Deuve, Thierry text Zootaxa 2016 4169 3 540 554 journal article 10.11646/zootaxa.4169.3.7 faeafa7a-a105-4443-bbc3-2bea598d8cd5 1175-5326 258027 8A1FB454-AC73-4D54-A5CB-D12D6CD82AC6 Hexachaetus lateralis maindroni Tian et Deuve, 2006 , n. stat. ( Figures 2–4 ) Hexachaetus maindroni Tian & Deuve, 2006 : 149 Length: 19.0 mm; width: 8.0 mm. Habitus as in Fig. 2 . Diagnosis. Large sized, polish, glabrous and shiny species; head, pronotum, side margin of elytra, whole apical margin of abdominal ventrite VII, tibiae and tarsi of legs dark brown, underside, femora and coxae yellowish brown; elytral marking narrow, not anchoreaform; labial palpomere 3 glabrous, slightly shorter than palpomere 2; labial palpomere 2 bisetose on inner margin, and with two more shorter setae near apex; maxillary palpomere 3 longer than 4; the median lobe of aedeagus stout, dramatically constricted at apex in profile; lamella broadly and extraordinary dilated in lateral aspect ( Figs. 3–4 ). Remarks. Similar to H. lateralis lateralis not only on appearance, but also on genital structure. However, it is slightly larger than H. lateralis , elytra marking narrower at middle, extending only to intervals 2 (to intervals 3 in H. lateralis ), and inner apical angle of elytra blunter than in H. lateralis lateralis . Material. 1 male , the holotype , “ Borneo , Sarawak , Kuching ”, “ 16 Oct. 1894 ”, “ Hexachaetus maindroni n. sp. det. Tian & Deuve , 2004 ”, “ Hexachaetus laeviceps M.”(det. Maindron M. ), “ Museum Paris ”, and “ Ex Coll. M. Maindron”, in MNHN . Distribution. Malaysia ( Fig. 20 b).