The larvae feed on Apollonias barbujana, Laurus azorica, Persea americana and Persea indica. They mine the leaves of their host plant. The mine consists of a lower-surface, epidermal corridor, reminding of a snail's trail. In the end, the mine widens into a full depth tentiform mine, with loosely dispersed frass. Older larvae live freely in a leaf cone. Mines are only made on the youngest leaves. Pupation takes place in a shining yellow cocoon.
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