Acrocercops panacivermiforma is a moth of the Gracillariidae family. It is known from New Zealand. The wingspan is about 10 mm. There is a separate South Island form. The larvae feed on Nothopanax simplex and Nothopanax sinclairii. They mine the leaves of their host plant. The mine has the form of a simple gallery throughout, and is vermiform in character, the loops being very closely applied to one another, but never crossing. As a rule the gallery at first winds backwards and forwards in slightly increasing distances, closely applied to itself, and in a direction more or less parallel to the long axis of the leaf. Then it changes its direction for one almost at right angles to the earlier one, now crossing the leaf in curved sweeps from edge to midrib, this latter forming a certain obsta