North American Butterflies and Moths List

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Butterflies of North America

Sandia Hairstreak (Callophrys [Sandia] mcfarlandi)
JPG -- species photo

Sandia Hairstreak (Callophrys mcfarlandi Ehrlich & Clench)

Wing span: 1 1/8 - 1 1/4 inches (2.9 - 3.2 cm).

Identification: Tailless. Upperside of male is brown; female is reddish brown with a narrow black border. Underside yellow-green; white postmedian line bordered with black toward the wing base.

Life history: Eggs are laid on flower stalks of the host plant. Caterpillars feed on flowers and fruits.

Flight: Two flights from May-June.

Caterpillar hosts: Beargrass (Nolina texana) in the agave family (Agavaceae).

Adult food: Nectar of host plant flowers.

Habitat: Yucca-agave desert.

Range: Very local: Southeast Colorado south through New Mexico and west Texas to northeast Mexico.

Conservation: Many colonies are highly localized.

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: Preserve host plant colonies wherever found.


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

Sandia Hairstreak (Callophrys [Sandia] mcfarlandi)
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