Flowering Plants Visited
by Chalcosyrphus
nemorum
Chalcosyrphus nemorum Fabricius: Syrphidae, Diptera
(observations are from Robertson)
Caprifoliaceae: Sambucus canadensis fp (Rb); Lamiaceae: Blephilia hirsuta fp np (Rb); Ranunculaceae: Enemion biternatum sn (Rb), Ranunculus fascicularis sn (Rb); Rosaceae: Crataegus mollis sn (Rb), Rosa carolina fp np (Rb); Salicaceae: Salix amygdaloides [stam sn] (Rb), Salix rigida [stam sn fq] [pist sn fq] (Rb)