Monsoma pulveratum, the green alder sawfly, is a species of common sawfly in the family Tenthredinidae.[1] It is a European species that has been accidentally introduced in North America.[2][3]
Smith, D.R. (1979). "Nearctic sawflies. IV. Allantinae: Adults and larvae (Hymenoptera: Tenthredinidae)". Agricultural Research Service, USDA Technical Bulletin No (1595).