There are about 1100 or so species within the family Pieridae. The family is further
divided into three subfamilies, the Coliadinae which has about 300 species worldwide
and includes the Sulphurs, Yellows and Brimstones, the Pierinae which has about 700
species worldwide and includes the Whites, Orange-tips and Jezebels, and the Dismorphiinae
which has about 100 species mostly in the tropics and includes the Wood Whites and
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Anthocharis midea is an early spring butterfly that flies in east-central United
States. In some areas, it’s one of the first butterflies to emerge and is a welcome
site after winter. There is one early spring brood. This butterfly tends to be
constantly moving, but will sometimes stop for a brief sip of nectar from an early
spring blossom. They are mostly found in open woodlands.
The larval food plants include rock cress, bitter cress and other mustards. The
eggs are yellow-green but turn red just before hatching. The larvae are olive-green
with a yellow stripe and tiny black dots. The chrysalis is a yellowish color and
is covered with black spots.