SPECIES FACT SHEET



SPECIES FACT SHEET

Scientific Name: Callophrys nelsoni rosneri

Common Name: Rosner's Hairstreak

Technical Description:

A small (about 2.5 cm wingspan) brown butterfly in the family Lycaenidae.

Dorsal wing surface is gray/brown with diffuse tan patches. Ventral surfaces are brown or gray/ brown with an irregular white line near the outer margin and blue and black spots near the tail on the hind wing. Identification is difficult without expert analysis. Eggs, larvae, and pupae are hard to find and hard to identify. Also recognized as Callophrys rosneri (Johnson 1976), Mitoura rosneri (Guppy and Shepard 2001), and Mitoura grynea rosnerae (Pyle 2002). Warren (2005) lumps C. g. rosneri into C. g. plicataria, creating a taxon that is much more common and widespread.

Life History:

Adults fly early in the season, from mid May to late June. Individuals over-winter as pupa. Larval food is western red cedar (Thuja plicata). Many flowering plants are used as adult nectar sources.

Range, Distribution, and Abundance:

Range-wide: Northern WA, ID, and MT into southern BC. Guppy and Shepard (2002) show about 30 records scattered through the range.

WA: Hinchliff shows six locations. The remote nature of much habitat suggests it may be undersurveyed. Known populations are in the NE corner of WA, in Ferry, Stevens, and Pend Oreille Counties. Relatively few records are known, but much of the known range should be suitable habitat. Populations are probably large, but for invertebrates, population size is generally less important to survival of the species than the number of occurrences.

OR: This subspecies has not been found and is not expected in OR. See comments in Technical Description.

Federal Land: Records in WA are in the Colville and Kaniksu National Forests. This encompasses the likely range of the species.

Habitat Associations:

Openings and edges in coniferous forest, around red cedar.

Threats:

Range-wide: Large increase in logging could pose a threat to the species.

WA/OR: No known threats at present. Extensive, intensive logging could threaten the species: large-scale logging may have caused a decline, but no trends have been described.

Conservation Considerations:

Inventory: Survey around and adjacent to known sites.

Research: Will it utilize any age class of juniper or cedar? Are there any other habitat restrictions? Taxonomic questions need to be answered.

Management: Unless larvae are restricted to red cedars of a particular area, there are no Management Considerations identified at this time.

Other Pertinent Information:

References:

Global References:

Howe, W.H. 1975. The butterflies of North America. Doubleday, New York. 633 pp.

Johnson, K. 1976. Three new Neararctic species of Callophrys (Mitoura), with a diagnostis (sic) of all Neararctic consubgeners. (Lepidoptera, Lycaenidae). Bull. Allyn Museum 38: 1-30.

Opler, P. A., and A. D. Warren. 2002. Butterflies of North America. 2. Scientific Names List for Butterfly Species of North America, north of Mexico. C.P Gillette Museum of Arthropod Diversity, Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, Colorado. 79 pp.

Warren, A.D. 2005. Butterflies of Oregon: their taxonomy, distribution, and biology. Lepidoptera of North America 6. C.P. Gillette Museum. Colorado State University. Fort Collins, CO. 408 pp.

State References:

Guppy, C. S. and J. H. Shepard. 2001. Butterflies of British Columbia. UBC Press (Vancouver, BC) and Royal British Columbia Museum (Victoria, BC). 414 pp.

Hinchliff, J. 1996. Records used in the atlas of butterfly records from Washington. Unpublished.

Pyle, R.M. 2002. The butterflies of Cascadia. Seattle Audubon Society. Seattle, WA. 420 pp.

Version:

Prepared by: John Fleckenstein

Natural Heritage Program

Washington Department of Natural Resources

Date: January 2006

Edited by: Rob Huff

Conservation Planning Coordinator

FS/BLM-Portland

June 2007

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