Flowering Plants Visited
by Platycheirus
rosarum
Platycheirus rosarum Fabricius: Syrphidae, Diptera
(observations are from Barrett & Helenurm and Small; insect activity is unspecified)
Aquifoliaceae: Nemopanthus mucronatus (Sm); Caprifoliaceae: Linnaea borealis (BH); Rosaceae: Spiraea alba (Sm)