Further contributions to the Coleoptera fauna of New Brunswick with an addition to the fauna of Nova Scotia, Canada Author Webster, Reginald P. 24 Mill Stream Drive, Charters Settlement, NB, Canada E 3 C 1 X 1 reginaldwebster@rogers.com Author Webster, Vincent L. Natural Resources Canada, Canadian Forest Service - Atlantic Forestry Centre, 1350 Regent St., P. O. Box 4000, Fredericton, NB, Canada E 3 B 5 P 7 Author Alderson, Chantelle A. Natural Resources Canada, Canadian Forest Service - Atlantic Forestry Centre, 1350 Regent St., P. O. Box 4000, Fredericton, NB, Canada E 3 B 5 P 7 Author Hughes, Cory C. Natural Resources Canada, Canadian Forest Service - Atlantic Forestry Centre, 1350 Regent St., P. O. Box 4000, Fredericton, NB, Canada E 3 B 5 P 7 Author Sweeney, Jon D. Natural Resources Canada, Canadian Forest Service - Atlantic Forestry Centre, 1350 Regent St., P. O. Box 4000, Fredericton, NB, Canada E 3 B 5 P 7 text ZooKeys 2016 2016-03-24 573 265 338 http://dx.doi.org/10.3897/zookeys.573.7327 journal article http://dx.doi.org/10.3897/zookeys.573.7327 1313-2970-573-265 DE650E3EB5894682B925A7D5439D07B1 844B2C76FFB08B3F3632FFD5FFA5FF88 116862 Holopsis marginicollis (LeConte, 1852) Material examined. New Brunswick, Carleton Co. , Two Mile Brook Fen, 46.3619°N , 67.6733°W , 6.V.2005 , M. Giguere & R. Webster // Forested cedar fen, in litter at base of cedar (4, RWC). York Co. , Charters Settlement, 45.8282°N , 66.7367°W , 16.IV.2005 , R.P. Webster // Carex marsh, in sphagnum & litter at base of tree (3, RWC) . Distribution in Canada and Alaska. MB, ON, QC, NB ( Bousquet et al. 2013 ). Comments. Specimens of Holopsis marginicollis were sifted from litter and sphagnum at bases of trees in a Carex marsh and a forested cedar fen.