Diarsia rosaria

Grote, 1878

Freeman's Dart, Rosy Dart

Diarsia rosaria is a small noctuid with a wingspan of approximately 30 mm. It occurs across much of Canada from Yukon to Newfoundland and Labrador, extending south to northern California and eastern Oregon. The is abundant in wet conifer forests and has two recognized : D. r. rosaria and D. r. freemani.

Diarsia rosaria by (c) Dave, some rights reserved (CC BY), uploaded by Dave. Used under a CC-BY license.Diarsia rosaria rosaria 06 by CBG Photography Group, Centre for Biodiversity Genomics. Used under a CC0 license.Diarsia rosaria rosaria 07 by CBG Photography Group, Centre for Biodiversity Genomics. Used under a CC0 license.

Pronunciation

How to pronounce Diarsia rosaria: //daɪˈɑrsɪə roʊˈzɑriə//

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Identification

Wingspan approximately 30 mm. Specific diagnostic features distinguishing it from similar Diarsia are not documented in available sources. The D. r. freemani was described by Hardwick in 1950, suggesting geographic variation exists.

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Habitat

Wet conifer forests. Abundant and widely distributed within this forest type.

Distribution

Canada: Ontario, Quebec, New Brunswick, Nova Scotia, Newfoundland and Labrador, British Columbia, Alberta, Saskatchewan, and Yukon. United States: northern California and eastern Oregon.

Diet

Larvae feed on various grasses.

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