Eastern persius duskywing: COSEWIC assessment and status report: chapter 1

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COSEWIC
Assessment Summary

Assessment Summary – April 2006

Common name:
Eastern Persius Duskywing

Scientific name:
Erynnis persius persius

Status:
Endangered

Reason for designation:
This lupine-feeding butterfly has been confirmed from only two sites in Canada. It inhabits oak savannahs in southern Ontario, a habitat that has undergone substantial declines and alterations. Larval host plant populations have been greatly reduced. There have been no confirmed records of this butterfly for 18 years, but unconfirmed sight records suggest that the species might still exist in Canada.

Occurrence:
Ontario

Status history:
Designated Endangered in April 2006. Assessment based on a new status report.

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