Flower-Visiting Insects
of Ninebark
Physocarpus opulifolius (Ninebark)
(information is restricted to Andrenid bees; insect activity is unspecified; observations are from Krombein et al.)
Bees (short-tongued)
Andrenidae (Andreninae): Andrena forbesii, Andrena hippotes, Andrena imitatrix imitatrix, Andrena rugosa, Andrena spiraeana