Flowering Plants Visited
by Sphex
nudus
Sphex nudus Fernald: Sphecidae (Sphecinae), Hymenoptera
(observations are from Robertson)
Apiaceae: Eryngium yuccifolium sn (Rb); Asclepiadaceae: Ampelamus albidus [plpr sn] (Rb), Asclepias incarnata [plpr sn] (Rb); Asteraceae: Eupatorium perfoliatum sn (Rb); Caprifoliaceae: Symphoricarpos orbiculatus sn (Rb); Lamiaceae: Mentha arvensis sn (Rb), Pycnanthemum pilosum sn (Rb), Pycnanthemum tenuifolium sn (Rb)