Lathrobium (Lathrobium) spissicorne Casey, 1905

Webster, Reginald P. & DeMerchant, Ian, 2012, New Staphylinidae (Coleoptera) records with new collection data from New Brunswick, Canada: Paederinae, ZooKeys 186, pp. 273-292 : 276

Lathrobium (Lathrobium) spissicorne Casey, 1905 Map 6

Material examined.

New Brunswick, Charlotte Co., near New River, 45.2118°N, 66.6179°W, 7.VII.2006, R. P. Webster, mixed forest, margin small pond, treading Carex hummock into water (1 ♀, RWC). Queens Co., W of Jemseg at "Trout Creek", 45.8240°N, 66.1220°W, 4.VI.2004, R. P. Webster, silver maple swamp, margin of vernal pond in moist leaf litter on muddy soil (1 ♀, RWC); Grand Lake near Scotchtown, 45.8762°N, 66.1816°W, 5.VI.2004, 1.VII.2004, 25.V.2006, R. P. Webster, lakeshore, old (sand) dune with oaks, under dead fish and under drift material (3 ♂, 1 ♀, NBM, RWC). Sunbury Co., Burton, Sunpoke Lake, 45.7665°N, 66.5545°W, 15.V.2004, R. P. Webster, (red) oak and (red and silver) maple forest, in leaf litter (3 ♂, RWC).

Collection and habitat data.

Lathrobium spissicorne was found in mixed forests, a silver maple swamp, along a lakeshore, and in a mature forest with red oak ( Quercus rubra L.), red maple, and silver maple. Adults were found in a Carex hummock on a pond margin, in moist leaf litter on vernal pond margin, and in leaf litter on the forest floor. Some adults were found under drift material and under a dead fish on a lakeshore. This species was collected during May, June, and July.

Distribution in Canada and Alaska.

ON, QC, NB, PE ( Campbell and Davies 1991).