Bog Elfin (Callophrys lanoraieensis Sheppard)
Wing span: 7/8 - 15/16 inch (2.2 - 2.4 cm).
Identification: Very small; tailless. Upperside of females brown; males have more orange. Underside of hindwing has a reduced or obscure pattern and the outer margin is frosted with gray.
Life history: Adults fly around the treetops. First-stage caterpillars bore into pine needles and feed from the inside; older caterpillars eat needles from the outside.
Flight: One brood from mid-May to early June.
Caterpillar hosts: Black spruce (Picea mariana).
Adult food: Flower nectar.
Habitat: Black spruce-tamarack bogs.
Range: Eastern New Hampshire through coastal Maine north to New Brunswick. Isolated populations in eastern Ontario, southern Quebec, and Nova Scotia.
Conservation: All populations should be conserved.
The Nature Conservancy Global Rank: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
Management needs: Maintain integrity of bog habitats.
Opler, P. A. and G. O. Krizek. 1984. Butterflies east of the Great Plains. Johns Hopkins University Press, Baltimore. 294 pages, 54 color plates. Opler, P. A. and V. Malikul. 1992. A field guide to eastern butterflies. Peterson field guide #4. Houghton-Mifflin Co., Boston. 396 pages, 48 color plates. Scott, J. A. 1986. The butterflies of North America. Stanford University Press, Stanford, Calif. 583 pages, 64 color plates.
Author: Jane M. Struttmann
State and Regional References:
Brower, A.E. 1974. A List of the Lepidoptera of Maine - Part 1: The Macrolepidoptera. Life Sciences and Agricultural Station, Univ. of Maine at Orono. Technical Bulletin No. 66. 136 pp. Layberry, R.A., Hall, P.W. & Lafontaine, D.J., 1998. The Butterflies of Canada. University of Toronto Press, Toronto, ON. 280 pp. Opler, P.A. 1998. A field guide to eastern butterflies, revised format. Houghton Mifflin Co., Boston.