Taxonomic revision of the African genus Trechosiella Jeannel (Coleoptera: Carabidae: Trechinae) Author Geginat, Gernot text Zootaxa 2013 3716 3 441 459 journal article 10.11646/zootaxa.3716.3.7 c3d8f250-18be-4e39-b2fa-937f217c0021 1175-5326 221814 D8B9E93B-2EC9-4DF8-B2F7-40F39AB0A65B Key to the species and subspecies of the genus Trechosiella 1 Temporal lobe well developed, smooth; species from southern Africa........................................... 2 - Temporal lobe weakly developed, rugose; species from Tanzania .............................. T. basilewskyi Jeannel 2 Eyes not protruding, eye diameter smaller than length of temple................................................ 3 - Eyes protruding, eye diameter larger than length of temple.................................................... 4 3 Elytral striae on disc effaced; temple longer than half diameter of eye; microsculpture of elytra strongly transverse, length/ width ratio of mesh approximately 1:5 to 1:10......................................... T. oligophthalma spec. nov. - Elytral striae on disc well discernable;eye diameter subequal to temple length; microsculpture of elytra weakly transverse, length/width ratio of mesh approximately 1:1 to 1:2............................. T. scotti swartbergensis subspec. nov. 4 Third elytral stria with two setiferous punctures, one at the level of the anterior quarter, the other posterior of the middle of the elytral disc; 3rd and 4th striae distinctly separate in anterior quarter of elytral disc.................................. 5 - Third elytral stria lacking posterior setiferous puncture; 3rd and 4th striae converging in anterior quarter of elytral disc.................................................................................... T. endroedyyoungai spec. nov. 5 Microsculpture of elytra strongly transverse, length/width ratio of mesh approximately 1:5 to 1:10; apex of aedeagus tapered (lateral view)........................................................................................ 6 - Microsculpture of elytra less transverse, length/width ratio of mesh approximately 1:2 to 1:3; apex of aedeagus blunt...... 7 6 Apex of aedeagus bended bent ventrad, internal sac with multiple tightly packed, minute sclerotized teeth.................................................................................................... T. laetula (Pringuey) - Apex of aedeagus straight, internal sac without any internal sclerotized teeth or pieces microstructures........................................................................................................ T. katicola Jeannel 7 Brachypterous..................................................................... T. scotti scotti (Jeannel) - Macropterous, only known from Namibia .................................... T. scotti macroptera Casale , stat. dem.