Early Hairstreak (Erora laeta [W. H. Edwards])
Wing span: 7/8 - 15/16 inch (2.2 - 2.4 cm).
Identification: No tails. Upperside blue and black; female has more blue than male. Underside turquoise blue; hindwing with 2 irregular bands of small orange spots.
Life history: Males perch in treetops to watch for females. Eggs are laid singly on the underside of host plant leaves; caterpillars feed on leaves and fruits.
Flight: Two broods in the north and three in the south, from April-September.
Caterpillar hosts: Beech (Fagus grandifolia) and beaked hazel (Corylus cornuta).
Adult food: Nectar from flowers of fleabane, ox-eyed daisy, and hardtack.
Habitat: Deciduous and mixed woods, especially on open ridgetops and along dirt roads.
Range: Rare and local in its range. Maritime Provinces west to northern Michigan and northern Wisconsin; south through the Appalachians to Tennessee and North Carolina.
Conservation: All confirmed populations should be conserved.
The Nature Conservancy Global Rank: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management needs: Protect habitats and nectar sources.
References:
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