Clouded Sulphur Butterfly
Colias philodice
Family (Whites and Sulphurs) Pieridae

Male Clouded Sulphur, January 29, 2007

Identification: A website, Montana State University, Butterflies and Moths of North America.

The upper surface of the male wings is bright, clear yellow with solid black edging. The lower side of each forewing has some dark submarginal spots. The hindwing has silver cell spots rimmed with orange-pink, usually doubled. The female has two forms: the yellow form with uneven black edging enclosing yellow spots, and a white form that is greenish-white rather than yellow. Spring and fall forms are smaller and less conspicuously marked. The wingspan is 1-1/2 to 2-3/4 inches. Caterpillar host plants are members of the pea family. Preferred habitat is open areas including fields, lawns roadsides, and meadows.

Female, February 3, 2008

Female, February 3, 2008

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