New York Natural Heritage Program
Hessel's Hairstreak
Callophrys hesseli (Rawson and Ziegler, 1950)

Beck, A.F., and W.J. Garnett. 1983. Distribution and notes on the Great Dismal Swamp population of Mitoura hesseli. Journal of the Lepidopterists' Society. 37:289-300.
Cassie, B. 2011. Hessel's Hairstreak. Massachusetts Audubon Society Butterfly Atlas. Lenox, MA.
Cryan, J. 1985. Hessel's Hairstreak: endangered cedar swamp butterfly. The Heath Hen 2:22-25.
Downey, M.H., and C.C. Nice. 2011. Experimental evidence of host race formation in Mitoura butterflies (Lepidoptera: Lycaenidae). Oikos. doi:10.1111/j.1600-0706.2010.19290.x.
Forister, M.L. 2004. Oviposition preference and larval performance within a diverging lineage of lycaenid butterflies. Ecological Entomology 29:264-272.
Gifford, S.M., and P.A. Opler. 1983. Natural history of seven Hairstreaks in coastal North Carolina. Journal of the Lepidopterists' Society 37:97-105.
Johnson, K. 1978. Specificity, geographic distributions, and foodplant diversity in four Callophrys (Mitoura) (Lycaenidae). Journal of the Lepidopterists' Society 32:3-19.
Johnson, K., and P.M. Borgo. 1976. Patterned perching behavior in two Callophrys (Mitoura) (Lycaenidae). Journal of the Lepidopterists' Society 30:169-183.
Karlin, Eric F. 1997. The Drowned Lands' Last Stand: An inland Atlantic white cedar swamp in Orange County, New York. Journal of the Torrey Botanical Society. 124(1):89-97.
Keys, Jr.,J.; Carpenter, C.; Hooks, S.; Koenig, F.; McNab, W.H.; Russell, W.;Smith, M.L. 1995. Ecological units of the eastern United States - first approximation (cd-rom), Atlanta, GA: U.S. Department of Agriculture, Forest Service. GIS coverage in ARCINFO format, selected imagery, and map unit tables.
MDIFW. 2003. Hessel's Hairstreak. Maine Endangered Species Program. Augusta, ME.
Massachusetts NHESP. 2007. Hessel's Hairstreak. Massachusetts rare species fact sheets. Massachusetts Division of Fisheries and Wildlife, Westborough, MA.
NYNHP. 2011a. Online Conservation Guide for Coastal Plain Atlantic White Cedar Swamp. Albany, NY. Available at:
NYNHP. 2011b. Online Conservation Guide for Inland Atlantic White Cedar Swamp. Albany, NY. Available at:
NYNHP. 2011c. Online Conservation Guide for Atlantic White Cedar. Albany, NY. Available at:
NYSDOS. 2002. Division of Coastal Resources. Coastal Fish and Wildlife Habitat Assessment Form: Cranberry Bog County Park.
NatureServe 2009. NatureServe Explorer. An online encyclopedia of life. Arlington, VA. Available at:
NatureServe. 2005. NatureServe Central Databases. Arlington, Virginia. USA
Nice, C.C., and A.M. Shapiro. 2001. Population genetic evidence of restricted gene flow between host races in the Butterfly genus Mitoura (Lepidoptera: Lycaenidae). Annals of the Entomological Society of America 94:257-267.
Opler, P.A. and G.O. Krizek. 1984. Butterflies East of the Great Plains, an illustrated natural history. Johns Hopkins University Press. Baltimore. 294pp.
Opler, P.A. and V. Malikul. 1992. Eastern Butterflies (Peterson Field Guide). Houghton Mifflin Company, Boston, Massachusetts. 396 pp. + color plates.
Pyle, R.M., 1981. The Audubon Society Field Guide to North America Butterflies. Chanitcleer Press, Alfred A. Knopf, NY. 916 pp, 759 color figures.
Rawson, G.W., J.B. Ziegler, and S.A. Hessel. 1951. The immature stages of Mitoura hesseli (Lepidoptera, Lycaenidae). Bulletin of the Brooklyn Entomological Society 46:123-130.
Rawson, G.W., and J.B. Ziegler. 1950. A new species of Mitoura from the Pine Barrens of New Jersey (Lepidoptera, Lycaenidae). Journal Of the New York Entomological Society 58:69-82.
Shapiro, A.M. 1974. Butterflies and skippers of New York State. Search 4:1-60.
Shapiro, A.M., and A.R. Shapiro. 1973. The ecological associations of the Butterflies of Staten Island. Journal of Research on the Lepidoptera 12:65-128.
Vaughn, D.M., and M.D. Shepherd. 2005. Species profile: Mitoura hesseli. In Shepherd, M.D., D.M. Vaughn, and S.H. Black (Eds.). Red List of Pollinator Insects of North America. The Xerces Society for Invertebrate Conservation, Portland, OR.


Funding from the NYSDEC Hudson River Estuary Program made the initial development of these guides possible.

Additional support has been provided by

Website architect: Andrew Blick.
Modifications and updates: David Marston and Matthew Buff.

Global data are provided by NatureServe and its Natural Heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems.

New York Natural Heritage Program
625 Broadway, 5th Floor, Albany, NY 12233-4757
Phone: (518) 402-8935 Fax: (518) 402-8925

Please send comments and suggestions to: acris [at] nynhp [dot] org

To continue building a comprehensive, up-to-date database of information on the locations of rare species in New York State, we invite your contributions. If you have information on a rare species, please fill out our Online Rare Species Reporting Form. If you have information on ecological communities, please fill out a Natural Heritage Reporting Form (two-page MS Word document).

This guide was authored by: Jeffrey D. Corser
Information for this guide was last updated on: 07-Aug-2017