California State Insect

California Dogface Butterfly

(Zerene eurydice)

Adopted in 1972.

The California dogface butterfly or dog head, Zerene eurydice, was designated the official State Insect in 1972. The butterfly is found only in California from the foothills of the Sierra Nevada to the Coast Ranges and from Sonoma south to San Diego. The male has a yellow silhouette of a dog's head on its wings. The female is usually entirely yellow with a black spot on the upper wings.

Description of the California State Insect

California Dogface (Colias eurydice [Boisduval])

Wing span: 2 - 2 1/2 inches (5.1 - 6.3 cm).

Identification: Black outer half of male forewing encloses yellow-orange "dog's head" tinged with light purple iridescence. Black "eye" very near or touching the border. Hind wing yellow-orange, sometimes with black border. Female all yellow with a black upper forewing cell spot; sometimes with scattered black scaling on outer half.

Life history: Males patrol for females.

Flight: Two flights from April-May and July-August.

Caterpillar hosts: Usually false indigo (Amorpha californica) in the pea family (Fabaceae).

Adult food: Flower nectar.

Habitat: Foothills, chaparral, oak or coniferous woodlands.

Range: North-central California south to Baja California, west of the central mountains and deserts.

Taxonomic Hierarchy of the California Dogface Butterfly

Kingdom	Animalia -- animals
Phylum	Arthropoda
Class	Insecta
Order	Lepidoptera
Family	Pieridae
Subfamily	Coliadinae
Genus	Zerene
Species	Zerene eurydice

State Insects

State Insects and Butterflies

Many states have selected insects as one of their state symbols, however nine states (out of 50) have no official state insect as of 2008 .

in·sect (in′sekt′)
noun

1. any of a large class (Insecta) of small arthropod animals characterized, in the adult state, by division of the body into head, thorax, and abdomen, three pairs of legs on the thorax, and, usually, two pairs of membranous wings, including beetles, bees, flies, wasps, and mosquitoes
2. popularly any small arthropod, usually wingless, including spiders, centipedes, pill bugs, and mites

but·ter·fly (-flī′)
noun pl. -·flies′

1. any of various families of lepidopteran insects active in the daytime, having a sucking mouthpart, slender body, ropelike, knobbed antennae, and four broad, usually brightly colored, membranous wings

Custom Search