Silvanus muticus Sharp** Map 2

Material examined.

New Brunswick, Carleton Co., Jackson Falls, Bell Forest, 46.2200°N, 67.7231°W, 12.VII.2006, 25.VII.2007, R. P. Webster, mature hardwood forest, u.v. light (7, NBM, RWC). Sunbury Co., Acadia Research Forest, 45.9866°N, 66.3841°W, 2-8.VI.2009, R. Webster & M.-A. Giguère, mature (110-year-old) red spruce forest with scattered red maple and balsam fir, Lindgren funnel trap (1, AFC). York Co., Fredericton, at Saint John River, 45.9588°N, 66.6254°W, 7.VI.2005, R. P. Webster, river margin in flood debris (1, RWC); Charters Settlement, 45.8340°N, 66.7450°W, 16.VIII.2006, R. P. Webster, mixed forest, beating (dead) birch branches with dead dried leaves (4, RWC).

Collection and habitat data.

Silvanus muticus was collected in a mature hardwood forest, a mature (110-year-old) red spruce forest, and a mixed forest. Adults were collected by beating dead white birch ( Betula papyrifera Marsh.) branches that had dead, dried leaves, sifting flood debris on a river margin, and at an ultraviolet light. Adults were collected during June, July, and August.

Distribution in Canada and Alaska.

BC, ON, QC, NB (Bousquet 1991).