Flowering Plants Visited
by Oxybelus
niger
Oxybelus niger Robertson: Sphecidae (Crabroninae), Hymenoptera
(observations are from Robertson and Graenicher)
Apiaceae: Cicuta maculata sn (Rb), Cryptotaenia canadensis sn (Rb), Heracleum maximum sn (Rb), Sium suave sn (Rb); Asteraceae: Achillea millefolium sn (Gr), Solidago canadensis sn (Rb)