Synonyms: Hodges #4324, Incisalia polios.
Hoary Elfin (Callophrys polios) is primarily northern in distribution, and is very scarce in many areas. This little butterfly is known to occur in Maryland only in Garrett County. It is considered state-endangered and vulnerable, and ranked as S1 (highly-state-rare). Hoary Elfin occurs in sandy openings and barrens, or bogs, where its larval host plant can be found. It flies from early to mid-May in Maryland (Butterflies of Maryland: A Biological Summary and Checklist by Lynn Davidson & Richard Smith; Brock & Kaufman 2003).
The larval host in Maryland is Trailing Arbutus (Epigaea repens). In other parts of the elfin's range, Bearberry (Arctostaphylos uva-ursi) is preferred.
There is 1 record in the project database.
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