... reared from sprigs of mint taken at Barre, Mass. ...

Gall. An ovoid, green, hairy, axillary or terminal gall about 4 mm in length. The adults undergo their final transformations in whitish, oval cocoons about 3 mm long, irregularly placed among the distorted leaflets.

Crumpled, folded, young leaf ... Dasineura aromaticae Felt

Larvae are gregarious within the leaf folds. Infested leaves are usually very hairy. the larvae form cocoons and pupate among the distorted leaflets... Hosts: M. arvensis, M. spicata...