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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Eurema mexicana is found in south-central United States then southward. It is known
to make long migrations as far north as Canada. It can be found in most environments
and avidly gathers nectar and males mudpuddle. Where found it has three to four
The green caterpillars can be found on legumes such as fern acacia and locust. The
larvae hatch from conical shaped whitish eggs.