Flower-Visiting Insects
of Marsh Yellow
Cress
Rorippa palustris (Marsh Yellow Cress)
(Short-tongued bees suck nectar or collect pollen; flies suck nectar or feed on pollen; observations are from Robertson)
Bees (short-tongued)
Halictidae (Halictinae): Lasioglossum pectoralis sn, Lasioglossum tegularis sn cp, Lasioglossum versatus sn cp, Lasioglossum zephyrus sn
Flies
Syrphidae: Toxomerus marginatus sn fp; Anthomyiidae: Delia platura sn