Flowering Plants Visited
by Dufourea marginata
Dufourea marginata Cresson: Halictidae (Dufoureinae), Hymenoptera
(Observations are from Robertson, Moure & Hurd, Krombein et al., Petersen, and Wilhelm & Rericha. This bee is an oligolege of Helianthus spp.)
Asteraceae: Bidens aristosa sn (Rb), Erigeron philadelphicus (Pt), Helianthus annuus cp olg (MH, Kr), Helianthus divaricatus sn cp fq olg (Rb), Helianthus grosseserratus sn cp fq olg (Rb, WR), Helianthus pauciflorus cp olg (MH), Helianthus tuberosus sn olg (Rb), Rudbeckia hirta (MH)