Dorytomus frostii Blatchley, 1916** Map 18

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 (2, AFC).

Collection and habitat data.

O’Brien (1970) reported trembling aspen, Populus tremuloides Michx. as the host of this species. Specimens of this species were reared from Populus tremuloides in New Brunswick.

Distribution in Canada and Alaska.

YK, NT, BC, AB, SK, MB, ON, QC, NB (McNamara 1991c).