Dorytomus laticollis LeConte, 1876 Map 19

Material examined.

New Brunswick, Sunbury Co., Acadia Station, emerged 5.V.1958, 6.V.1958, 7.V.1958, 9.V.1958, 12.V.1958, (no collector given) reared from Populus tremuloides, F.I.S., 58 –0045– 01 (48, AFC). York Co., Durham (Bridge), 22.VII.1958, G. W. Barter, ex. Populus tremuloides (1, AFC); Kingsley, 14.VIII.1964, Titus, ex. willow (hand picked) F.I.S. 64 –1568– 04 (1, AFC).

Collection and habitat data.

O’Brien (1970) reported trembling aspen as the host of this species. A large series of this species from New Brunswick was reared from Populus tremuloides . Emergence dates were during May and July.

Distribution in Canada and Alaska.

AK, BC, AB, SK, MB, ON, QC, NB, NS (McNamara 1991c; Majka et al. 2007c).