Flowering Plants Visited
by Andrena
duplicata
Andrena duplicata Mitchell: Andrenidae (Andreninae), Hymenoptera
(observations are from Krombein et al. and Wilhelm & Rericha; this bee is an oligolege of Helianthus spp.)
Asteraceae: Bidens coronata (Kr), Bidens polylepis (WR), Coreopsis tripteris sn (WR), Helianthus hirsutus cp olg (WR), Helianthus grosseserratus cp olg (Kr)