The larvae feed on Smilax aspera, Smilax canariensis, Tamus communis and Tamus edulis. They mine the leaves of their host plant. On Smilax species, young larvae make a short corridor which is almost completely filled with frass. Older larvae live freely at the leaf underside, under a frass-covered web. On Tamus species, larvae live in a transparent full-depth mine without frass. The mine may have the form of a corridor, blotch or star. Pupation always occurs in a net-like cocoon. The larvae have a pale yellowish green body and head. They can be found in March.
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