New Staphylinidae (Coleoptera) records with new collection data from New Brunswick and eastern Canada: Tachyporinae Author Webster, Reginald P. Author Sweeney, Jon D. Author DeMerchant, Ian text ZooKeys 2012 186 55 82 http://dx.doi.org/10.3897/zookeys.186.2491 journal article http://dx.doi.org/10.3897/zookeys.186.2491 1313-2970-186-55 Sepedophilus occultus (Casey, 1884)** Map 4 Material examined. CANADA, New Brunswick, Gloucester Co., near Black Rock, 47.7411°N , 65.2577°W , 8.VI.2006, R. P. Webster, old growth eastern white cedar swamp, inside well rotted fungus covered log (5 ♂, 4 ♀, NBM, RWC). York Co. Charters Settlement, 45.8395°N , 66.7391°W , 22.VIII.2005, R. P. Webster, mixed forest, in well rotted fungus covered log (1 ♂, NBM); same locality and collector but 45.8286°N , 66.7365°W , 24.VI.2006, mature mixed forest, in polypore fungi on dead standing Populus sp. (1 ♂, RWC). Map 4. Collection localities in New Brunswick, Canada of Sepedophilus occultus . Collection and habitat data. In the United States, this species has been collected from under bark, under a brush pile, and by sifting humus ( Campbell 1976 ). The New Brunswick specimens were collected from the inside of well-rotted, fungus-covered logs and from polypore fungi on dead, standing Populus sp. This species was found in an old-growth eastern white cedar ( Thuja occidentalis L.) swamp and in mature to old mixed forests. Adults were collected during June and August. Distribution in Canada and Alaska. ON, QC, NB ( Paquin and Duperre 2001 ; Brunke and Marshall 2011 ).