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Butterflies of New Jersey -- Celastrina idella

North American Butterflies and Moths List

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U.S. Geological Survey

Butterflies of North America

Butterflies of New Jersey

Atlantic Holly Azure (Celastrina idella)
JPG -- species photo

Atlantic Holly Azure (Celastrina idella Wright and Pavulaan)

Wing span: 1 1/4 - 1 1/2 inches (3.2 - 3.9 cm).

Identification: Upperside of male all pale blue, sometimes with white scaling on hindwing. Female blue with small black area on forewing tip. Underside of hindwing pale gray with pale dark gray markings.

Life history: Caterpillars eat flowers.

Flight: One flight from late February to early June, early in south of range, later in north. Usually flies after spring flight of Spring Azure.

Caterpillar hosts: Hollies (Ilex species).

Adult food: Flower nectar.

Habitat: Rich, deciduous woods, especially near streams and acid bogs.

Range: Atlantic coastal plains from central New Jersey south to South Carolina.

Conservation: Not reported.

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: Survey habitats and protect them from alteration and exotic plants.


Celastrina idella (Lycaenidae: Polyommatinae): a new butterfly species from the 
     Atlantic coastal plain. The Taxonomic Report 1(9):1-11.

Author: Paul A. Opler

State and Regional References:

Glassberg,  J.  1993.  Butterflies Through Binoculars: A Field Guide to 
     Butterflies in the Boston-New York-Washington Region.  Oxford Univ. Press, 
     New York, N.Y.  160 pp.

Gochfeld, M. and Burger, J.  1997.  Butterflies of New Jersey - A Guide to 
     Their Status, Distribution, Conservation, and Appreciation.  Rutgers Univ. 
     Press, New Brunswick, N.J.  327 pp.

Iftner, D.C. and Wright, D.M.  1996.  Atlas of New Jersey Butterflies.  Special 
     Private Publication, Sparta, N.J.  28 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.     

Shapiro, A.M. 1966.  Butterflies of the Delaware Valley.  American Entomological 
     Society Special Publication.  Philadelphia, PA.  79 pp.   
Atlantic Holly Azure (Celastrina idella)
distribution map
map legend

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