Flowering Plants Visited
by Ceropales
robinsonii
Ceropales robinsonii Cresson: Pompilidae, Hymenoptera
(observations are from Robertson)
Apiaceae: Cicuta maculata sn (Rb); Lamiaceae: Pycnanthemum tenuifolium sn (Rb); Rhamnaceae: Ceanothus americanus sn (Rb)