Thanasimus dubius (Fabricius, 1776)

Majka, Christopher G., 2006, The checkered beetles (Coleoptera: Cleridae) of the Maritime Provinces of Canada, Zootaxa 1385, pp. 31-46 : 38

Thanasimus dubius (Fabricius, 1776)

NEW BRUNSWICK: Kings Co.: Grand Bay, 28.vii.1990, D.F. McAlpine, NBM; Saint John Co.: Saint John, 19.vi.1902, W. McIntosh, NBM. NOVA SCOTIA: 177 specimens examined from Annapolis, Antigonish, Colchester, Halifax, Hants, Inverness, Kings, Pictou, Queens, and Yarmouth counties. The earliest record is from 1953 (Queens Co.: White Point Beach, 27.vi.1957, J.H. McDunnough, NSMC).

Newly recorded in Nova Scotia: widely distributed in the province ( Figure 4 ). In Point Pleasant Park, Nova Scotia, found in association with the galleries of Scolytinae (Curculionidae) feeding on red spruce ( Picea rubens ) and white pine ( Pinus strobus ). The most abundant scolytines found in these galleries (75% of individuals) are Hylurgops rugipennis pinifex (Fitch) , Trypodendron lineatum (Olivier) , and Polygraphus rufipennis (Kirby) in spruce, and Ips pini (Say) and Pityogenes hopkinsi Swaine in pine (C. Majka, unpublished data). Also noted from elm ( Ulmus ) ( Ulmaceae ) by Knull (1951).

Figures

FIGURE 4. Distribution of Thanasimus dubius in the Maritime Provinces.