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Butterflies of North America -- Plebeius [Icaricia] neurona

North American Butterflies and Moths List

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The Registry of Nature Habitats

U.S. Geological Survey


Butterflies of North America

Veined Blue (Plebeius [Icaricia] neurona)

Veined Blue (Plebeius neurona [Skinner])

Wing span: 3/4 - 7/8 inch (2 - 2.2 cm).

Identification: Has no blue color. Upperside dark brown with orange veins and submarginal bands. Underside white with black spot pattern and red-orange submarginal bands.

Life history: Eggs are laid singly on leaves of host plant, which caterpillars eat. Second-stage caterpillars hibernate.

Flight: One or two broods from May-August.

Caterpillar hosts: Wright's buckwheat (Eriogonum wrightii) in the buckwheat family.

Adult food: Flower nectar.

Habitat: Rocky outcrops, hills, and ridges in the mountains.

Range: Very local in southern California: Walker Pass, Kern County, Tehachapi Mountains, mountains of San Bernardino County.

Conservation: All populations are of conservation concern.

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: Monitor populations and study the effects of

fire, grazing, and exotic weeds.

References:

Scott, J. A. 1986. The butterflies of North America. Stanford  University Press, 
    Stanford, Calif. 583 pages, 64 color plates.

Tilden, J. W. 1986. A field guide to western butterflies.  Houghton-Mifflin Co., 
    Boston, Mass. 370 pages, 23 color plates.

Author: Jane M. Struttmann

Veined Blue (Plebeius [Icaricia] neurona)
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