Wingspan 20-26 mm. Forewings extensively dusted with light bluish gray. PM line with weak triangular expansions of the veins. Hind wings above gray. The genitalia are described in Munroe (1976). Closest to L. cereralis but smaller, darker, lacking noticeably expanded veins in the forewings, and in bogs, not in open grassy areas.

In Fennoscandia and the northeastern part of Russia; also in North America where is has been found from Nova Scotia, Newfoundland and Labrador west to the Yukon (Munroe 1976). Type Locality St. Martin's Falls, Albany River, Hudson's Bay. Reported from Areas 19 (Banff National Park), 20 (Nordegg) and 21 (Jasper National Park) in Alberta by Bowman (1951) but Nordegg material called L. commixtalis in UASM was actually of L. cereralis. Kenneth Bowman specimens of L. cereralis, collected in Banff, Edmonton, Jasper and Nordegg were misidentified as L. commixtalis. In Alberta, known from the Wagner Natural Area and Richardson River Dunes Provincial Park.

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

A boreal species associated with bogs.

Unknown.

June to July.

Unknown. Mainly a day-flying species.

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Species: 1
Species With Barcodes: 1

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Species: 15
Species With Barcodes: 1

Uncommon.

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked

Rounded Global Status Rank: GNR - Not Yet Ranked