Juniper Hairstreak (Callophrys gryneus)

Juniper Hairstreak (Callophrys gryneus) Flat River impoundment, Falls Lake, Durham Co., NC 4/13/03.
Juniper Hairstreak (Callophrys gryneus)

These mint-green gems feed on Eastern Redcedar (Juniperus virginiana) leaves as larvae. The female at left is busy laying eggs on the host plant. Penny's Bend Nature Preserve, Orange Co., NC 6/8/03.

They have a great fondness for mint flowers, especially Pycnanthemum (mountain-mint), though the individual above is nectaring on Winter Cress (Barbarea vulgaris).

This one is on fennel. Caswell Co., NC 8/4/02.
Ones in Texas tend to be a little browner. Eisenhower Park, San Antonio, Bexar Co., TX 6/7/04.

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Revised 4/26/05 cwcook@duke.edu