Flowering Plants Visited
by Andrena
helianthi
Andrena helianthi Robertson: Andrenidae (Andreninae), Hymenoptera
(observations are from Robertson, Graenicher, Reed, and Krombein et al.; this insect is an oligolege of Helianthus spp.)
Asteraceae: Aster novae-angliae cp (Rb), Aster puniceus (Gr), Bidens aristosa sn (Rb), Cirsium undulatum (Kr), Helianthus annuus sn cp olg (Rb, Kr), Helianthus divaricatus sn cp olg (Rb, Kr), Helianthus giganteus cp olg (Gr, Kr), Helianthus grosseserratus sn cp fq olg (Rb, Kr), Helianthus pauciflorus sn cp fq olg (Rb, Kr), Helianthus strumosus cp olg (Gr), Helianthus tuberosus sn cp olg (Rb, Re, Kr), Oligoneuron rigida (Re, Kr), Rudbeckia laciniata (Kr), Silphium perfoliatum (Kr), Solidago canadensis (Kr); Capparaceae: Cleome serrulata (Kr); Fabaceae: Amorpha canescens (Re)