Flowering Plants Visited
by Andrena
simplex
Andrena simplex Smith: Andrenidae (Andreninae), Hymenoptera
(observations are from Robertson, Reed, and Krombein et al.; according to Krombein et al., this insect is an oligolege of Aster spp. and Solidago spp.; Oligoneuron spp. and Euthamia spp. were regarded formerly as Solidago spp.)
Asteraceae: Amphiachyris dracunculoides (Kr), Aster anomalus sn cp olg (Rb, Kr), Aster ericoides cp olg (Re, Kr), Aster lanceolatus sn cp olg (Rb, Re, Kr), Aster lateriflorus sn cp olg (Rb, Kr), Aster novae-angliae cp np (Rb, Kr), Aster oolentangiensis cp olg (Re, Kr), Aster pilosus sn cp fq olg (Rb, Kr), Aster salicifolius sn cp olg (Rb, Kr), Boltonia asterioides sn cp fq icp (Rb), Eupatorium perfoliatum (Kr), Euthamia graminifolia sn cp olg (Rb, Kr), Helianthus tuberosus (Kr), Oligoneuron rigidum cp (Re, Kr), Pseudognaphalium obtusifolium sn (Rb), Solidago canadensis sn icp (Rb), Solidago gigantea cp olg (Kr), Solidago nemoralis cp olg (Re, Kr), Solidago ulmifolia sn cp fq olg (Rb, Kr); Polygonaceae: Fallopia scandens sn (Rb, Kr), Persicaria hydropiperoides sn (Kr), Persicaria pensylvanica sn (Rb)