Pontania leavitti
Type locality. β Nerepis, New Brunswick.
Host plant. β Salix sericea, according to Smith and Fritz (1996).
Notes. β A valid species of Phyllocolpa in the leucosticta group. The larvae form leaf rolls on Salix sericea and perhaps some other willows.
β- Alexey Zinovjev, David Smith: (1999) Types and biological notes of the eastern North American sawflies of Pontania Costa and Phyllocolpa Benson (Hymenoptera: Tenthredinidae) described by Marlatt, Dyar, and RohwerΒ©
Reference: https://www.biodiversitylibrary.org/page/16194684#page/380/mode/1up