Hylesinus aculeatus Say, 1824 Map 56

Material examined.

New Brunswick, Carleton Co., Jackson Falls, Bell Forest, 46.2152°N, 67.7190°W, 11.V.2005, 1.VI.2005, R. Webster & M.-A. Giguère, river margin forest with butternut, collected with aerial net during late afternoon flight, (5, RWC); same locality and collector but 46.2200°N, 67.7231°W, 28. IV– 9.V.2009, 9-14.V.2009, 14-20.V.2009, 20-26.V.2009, mature hardwood forest, Lindgren funnel traps (7, AFC, RWC). Kings Co., Grays Mills, 1.VI.1921, R. P. G., (1, AFC). Queens Co., Grand Lake Meadows P.N.A., 45.8227°N, 66.1209°W, 4-19.V.2010, R. Webster & C. MacKay, old silver maple forest with green ash and seasonally flooded marsh, Lindgren funnel traps (2, AFC). York Co., South Tweedside, 25.X.1977, (no collector given), camp window (20, AFC); Fredericton, 24.VIII.1978 (emergence date), (no collector given), ex. Fraxinus americana (9, AFC); Charters Settlement, 45.8395°N, 66.7391°W, 10.V.2007, 6.V.2008, 4.IV.2010, R. P. Webster, mixed forest, collected with aerial net during late afternoon flights (3, RWC); 15 km W of Tracy off Rt. 645, 45.6848°N, 66.8821°W, 19-25.V.2009, R. Webster & M.-A. Giguère, old red pine forest, Lindgren funnel trap (1, AFC).

Collection and habitat data.

Hosts include various species of Fraxinus (Wood 1982). Adults from New Brunswick were captured in Lindgren funnel traps in river margin floodplain forests with butternut, white ash, and black ash ( Fraxinus nigra Marsh.), silver maple forest, hardwood forests with American beech and sugar maple, mixed forests, and a red pine forest. Fraxinus was present at all these sites. Adults were also reared from Fraxinus americana . This species was collected during April, May, and early June (most during May).

Distribution in Canada and Alaska.

SK, MB, ON, QC, NB, NS (Bright 1976; McNamara 1991d).