Flowering Plants Visited
by Methoca stygia
Methoca stygia Say: Tiphiidae, Hymenoptera
(observations are from Robertson and Johnson et al.; this is an ant-like wasp)
Apiaceae: Perideridia americana sn (Rb), Sium suave sn (Rb); Polygonaceae: Reynoutria japonica [exfl sn] (JBD)