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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Pontia protodice is a common butterfly found throughout most of the United States
and southern Canada. It flies from spring to fall with one to three broods depending
on latitude. It is an avid flower visitor and can be found in most habitats including
The larval food plants are many native and introduced plants in the mustard family.
Females lay eggs singly on leaves and flowers of host plants. Buds, flowers, and
fruits are favorite foods of caterpillars, but they will also eat leaves.