Bucculatrix polymniae

Description

Bucculatrix polymniae is a moth in the family Bucculatricidae. It is found in North America, where it has been recorded from Kentucky and Ohio. The wingspan is about 6–7 mm. The forewings are brown, darkest brown between the silvery streaks. The hindwings are grey. Adults have been recorded on wing from March to April and from July to September in three generations per year. The larvae feed on Polymnia uvedalia. They mine the leaves of their host plant. Larvae of the first generation mine only in the lowest pair of leaves. Larvae of the second generation can be found in August and the third generation feeds in October and overwinters in the pupal stage. The mine is winding, with a fine central line of frass. Pupation takes place in a white cocoon.