Inventory of the Carabid Beetle Fauna of the Gaoligong Mountains, Western Yunnan Province, China: Species of the Tribe Trechini (Coleoptera: Caraboidea), with Descriptions of Four New Genera, One New Subgenus and 19 New Species. Deuve, Thierry Kavanaugh, David H. Liang, Hongbin Proceedings of the California Academy of Sciences 2016 2016-10-14 63 12 341 455    Key for Identification of Adults of  TrechepaphiopsisSpeciesof the Gaoligong Shan Region    1. Elytra without discal setae.......................................  T. asetosa(Uéno) Elytrawith a single discal seta, at or near mid-elytral length, next to stria 3............. 2    2. Sizelarger, BL = 3.5 to 3.7 mm; specimen from southeastern part of Gaoligong Shan region(  Baoshan County)..........................................  T. unisetigera(Uéno) Sizesmaller, BL = 2.8 to 3.5 mm; specimen from more northerly part of the Gaoligon Shan region.................................................................... 3   3. Median lobe of male aedeagus ( Fig. 27b) with a sinuous form, apical lamella very thin in lateral view, trilobed in apical view ( Fig. 27c), endophallus formed as a long sleeve densely covered with long, fine spines; specimen from the southcentral part of the Gaoligong Shan region( Lushui County) ............................................  T. unisetosa(Deuve)Median lobe of male aedeagus ( Figs. 28b– 31b) with a more simple form, apical lamella thick- er in lateral view, monolobate in apical view ( Fig. 28c), endophallus with scaly areas but without long spines............................................................. 4   4. Median lobe of male aedeagus ( Fig. 28b) with apical lamella progressively narrowed in lateral view, apex narrow, bluntly rounded and slightly recurved dorsally ( Lushui County)...............................................................   T. uniporosa sp. nov.Median lobe of male aedeagus ( Figs. 29b– 31b) with apex thicker and more broadly rounded in lateral view.............................................................. 5   5. Size larger, BL = 3.3 to 3.5 mm; median lobe of male aedeagus ( Fig. 29b) with shaft thicker subbasally, then moderately narrowed toward apex, apex broadly rounded, slightly lobate ( Fugong County)..........................................   T. unisetulosa sp. nov.Size smaller, BL = 2.7 to 3.1 mm; median lobe of male aedeagus ( Figs. 30b– 31b) with shaft of more consistent thickness throughout its length, apex short and rounded, not dilated.... 6   6. Median lobe of male aedeagus ( Fig. 30b) with scaly spoon-shaped area of endophallus only slightly narrowed toward apex ( Gongshan County) ..............   T. monochaeta sp. nov.Median lobe of male aedeagus ( Fig. 31b) with scaly spoon-shaped area of endophallus markedly narrowed toward apex ( Fugong County).................   T. unipilosa sp. nov. Baoshan County Gaoligong Size 67 408 1 Shan