Flowering Plants Visited
by Platycheirus
hyperboreus
Platycheirus hyperboreus Staeger: Syrphidae, Diptera
(observations are from Robertson and Graenicher)
Apiaceae: Conioselinum chinense (Gr), Erigenia bulbosa sn (Rb), Oxypolis rigidior (Gr), Pastinaca sativa sn (Rb); Asteraceae: Antennaria plantaginifolia [stam sn] (Rb), Arctium lappa sn/fp (Gr), Solidago canadensis sn (Rb); Lauraceae: Sassafras albidum sn (Rb)