Flowering Plants Visited
by Ectemnius arcuatus
Ectemnius arcuatus Say: Sphecidae (Crabroninae), Hymenoptera
(observations are from Wilhelm & Rericha)
Asteraceae: Solidago juncea sn (WR); Lamiaceae: Pycnanthemum tenuifolium sn (WR), Pycnanthemum virginianum sn (WR); Rosaceae: Spiraea alba sn (WR)