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.


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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