Further contributions to the Aleocharinae (Coleoptera, Staphylinidae) fauna of New Brunswick and Canada including descriptions of 27 new species Webster, Reginald P. Klimaszewski, Jan Bourdon, Caroline Sweeney, Jon D. Hughes, Cory C. Labrecque, Myriam ZooKeys 2016 573 85 216 497MV Gravenhorst, 1806 † Insecta Staphylinidae Oligota CoL Animalia Oligota pusillima Coleoptera 82 167 Arthropoda species pusillima  Taxon classification Animalia Coleoptera Staphylinidae   Materialexamined. Canada, New Brunswick, York Co., Charters Settlement, 45.8395°N, 66.7391°W, 30.IX.2007, 5.X.2007, 27.IV.2008, 8.VIII.2010, 7.IX.2010, R.P. Webster, coll. // Mixed forest, in decaying (moldy) corncobs & cornhusks (2 ♂, 4 ♀, RWC); same data but 5.X.2007, 3.IX.2010 (1 ♂, 1 ♀, LFC).  Natural history.  Oligota pusillimawas found in a pile of decaying and moldy corncobs and cornhusks near a composter in a residential area adjacent to a mixed forest. Mites were abundant in the moldy corncobs and cornhusks where the specimens were collected. Adults were collected during April, August, September, and October.  Distribution in Canada and Alaska. NB (New Canadian record).  Comments.  Oligota pusillimais considered a cosmopolitan species ( Smetana 2004). It was known in the USA from MA ( Fauvel 1889) and NY (synonyms Oligota linearisCasey and Oligota parallelaCasey), but it was never before recorded from Canada.  Figures 394-400. Oligota pusillimaGravenhorst: 394 habitus in dorsal view 395 median lobe of aedeagus in lateral view 396 male tergite VIII 397 male sternite VIII 398 female tergite VIII 399 female sternite VIII 400 spermatheca. Scale bar of habitus = 1 mm; remaining scale bars = 0.2 mm.