Wisconsin Native Caterpillars
Orange Sulphur Caterpillar
Genus-Species: Colias eurytheme
Description: Caterpillars are grass
green with a multicolored stripe along the lower edges of the body. The upper
stripe is white followed by red/pink, white, and finally black. Clouded Sulphur
caterpillars are so similar that they cannot be reliably separated in the field.
Chrysalis: The chrysalis is green
with yellow and black dashes.
Host Plants: Plants in the pea family
(Fabaceae) including alfalfa (Medicago sativa), white clover (Trifolium repens),
and white sweet clover (Melilotus alba).
Habitat: A wide variety of open sites,
especially clover and alfalfa fields, mowed fields, vacant lots, meadows, road
edges.
Comments: Caterpillars are grass
green with a multicolored stripe along the lower edges of the body. The upper
stripe is white followed by red/pink, white, and finally black.