Flowering Plants Visited
by Andrena
fragilis
Andrena fragilis Smith: Andrenidae (Andreninae), Hymenoptera
(observations are from Krombein et al. and Graenicher; according to Krombein et al., this insect is an oligolege of Cornus spp.)
Apiaceae: Cicuta maculata (Kr), Pastinaca sativa (Kr); Asteraceae: Erigeron philadelphicus sn (Gr), Rudbeckia hirta sn (Gr); Caprifoliaceae: Viburnum dentatum (Kr); Cornaceae: Cornus obliqua cp olg (Kr), Cornus racemosa cp olg (Kr); Rosaceae: Aruncus dioicus [unsp] (Kr); Rutaceae: Ptelea trifoliata (Kr)