Flowering Plants Visited
by Pseudomasaris
occidentalis
Pseudomasaris occidentalis Cresson: Vespidae (Masarinae), Hymenoptera
(these observations are from Clinebell & Bernhardt; this unusual wasp is an oligolege of Penstemon spp.)
Scrophulariaceae: Penstemon cobaea purpureus sn cp olg, Penstemon digitalis sn cp olg