Ametastegia articulata

Ametastegia articulata is a species of sawfly in the family Tenthredinidae, first described by Klug in 1818. It belongs to the subfamily Allantinae and is recorded from eastern Canada. Like other sawflies in this genus, it is likely associated with herbaceous vegetation, though specific host plant relationships remain poorly documented. The species is represented by very few observations, indicating either genuine rarity or undercollection.