First record of Thecturotatenuissima Casey from Canada (Coleoptera, Staphylinidae, Aleocharinae) Klimaszewski, Jan Struyve, Tim Bourdon, Caroline Dorval, Julie-Anne ZooKeys 2017 702 19 25 8VS5D Casey, 1893 Casey 1893 Insecta Staphylinidae Thecturota CoL Animalia Thecturota Coleoptera 0 19 Arthropoda genus   Casey 1893, 1911, Seevers 1978, Ashe 2001  Diagnosis. Body slender, narrow, linear, small, length 1.0-1.7 mm; pubescence on pronotum and elytra directed laterad; head subquadrate with angular posterior tempora, as long and at least as wide as pronotum; eyes shorter than length of temples; antennomeres V-X strongly transverse and slightly incrassate apically, pronotum small, subquadrate or 1.2 times as wide as long, broadest subapically, pubescence directed anteriad and laterad from midline of disc; elytra short, at suture about as long as pronotum or slightly longer; abdomen subparallel. Male tergite VIII truncate apically; tubus of median lobe of aedeagus simple in form, its venter arcuate; internal sac structures inconspicuous; spermatheca small, capsule subspherical with small or without apical invagination, stem very short.  Key to Canadian species of Thecturota    458  Thecturota capitoCasey  111215  Thecturota tenuissimaCasey