Hickory Hairstreak Satyrium caryaevorus (McDunnough, 1942)Endangered (MD)  -  S1 (Highly state rare)  Synonyms: Satyrium caryaevorum.

Status:

The Hickory Hairstreak (Satyrium caryaevorus), one of several similar species in the same genus, is considered state-endangered in Maryland, with a ranking of S1 (highly-state-rare). It is restricted primarily to western Maryland, with records from Garrett, Alleghany, and Washington Counties, and also recorded from Montgomery County. This species has been considered extirpated by some, and its continued presence in Maryland appears to be tenuous at best (Butterflies of Maryland: A Biological Summary and Checklist by Lynn Davidson & Richard Smith; Brock & Kaufman 2003).

Relationships:

Hickory Hairstreak primarily utilizes hickories (Carya sp.) as a larval host, especially Bitternut Hickory (Carya cordiformis), from which it has been collected in the wild. It has been laboratory-reared using Pignut (Carya glabra) and Shagbark Hickory (Carya ovata) (Allen 1997). The species may also apparently occasionally use oaks (Quercus sp.), ash (Fraxinus sp.), or chestnut (Castanea) (Butterflies of Maryland: A Biological Summary and Checklist by Lynn Davidson & Richard Smith).

There are 6 records in the project database.

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A Hickory Hairstreak in Sussex Co., New Jersey (7/17/2014). Photo by Timothy Reichard. (MBP list)

A Hickory Hairstreak in Hamilton Co., Iowa (6/23/2011). Photo by Aaron Brees. (MBP list)


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