Explanation of Names
Fenusa julia Smith & Eiseman, 2017. Named for Julia Blyth, who first spotted the leaf mines.
Larvae mine leaves of Rosa woodsii.
Larvae are active in July. When finished feeding, they drop to the ground and burrow to overwinter and pupate. Adults emerge in spring or early summer.
Smith, David R. and Charles S. Eiseman. 2017. A new species of Fenusa (Hymenoptera: Tenthredinidae) mining leaves of Rosa woodsii Lindl. (Rosaceae) in North America. Proceedings of the Entomological Society of Washington 119(2):233-238.