Flowering Plants Visited
by Syrphus
rectus
Syrphus rectus Osten Sacken: Syrphidae, Diptera
(observations are from Barrett & Helenurm and Krannitz & Maun; insect activity is unspecified)
Caprifoliaceae: Viburnum opulus (KM); Cornaceae: Cornus canadensis (BH)