Colias canadensis

Ferris, 1982

Canada sulphur

Colias canadensis, the Canada sulphur, is a in the Pieridae restricted to northern North America. It occurs from Alaska and the Northwest Territories south to northern British Columbia and Alberta. The inhabits open taiga forests, wet tundra, mountain valleys, and alpine tundra near tree lines. are active from early May to early August.

Colias canadensis by David McCorquodale. Used under a CC BY 4.0 license.

Pronunciation

How to pronounce Colias canadensis: //ˈkoʊ.li.æs ˌkæn.əˈdɛn.sɪs//

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Identification

Wingspan ranges from 32 to 47 mm. Specific diagnostic features distinguishing this from other Colias sulphurs are not documented in available sources.

Images

Habitat

Open taiga forests, wet tundra, mountain valleys, and alpine tundra near tree lines.

Distribution

Northern North America: Alaska, Northwest Territories, northern British Columbia, and Alberta.

Seasonality

period from early May to early August.

Sources and further reading