Flowering Plants Visited
by Siphonella
oscinina
Siphonella oscinina Fallen: Chloropidae, Diptera
(observations are from Robertson and Graenicher)
Apiaceae: Osmorhiza longistylis sn (Rb), Sanicula marilandica sn (Rb); Asteraceae: Aster macrophyllus sn/fp (Gr), Tanacetum vulgare sn/fp (Gr)