Flowering Plants Visited
by Ectemnius
continuus
Ectemnius continuus Fabricius: Sphecidae (Crabroninae), Hymenoptera
(observations are from Robertson, Graenicher, Reed, and Wilhelm & Rericha)
Apiaceae: Cicuta maculata sn (Rb), Daucus carota sn (WR), Oxypolis rigidior sn (WR), Pastinaca sativa sn (Rb), Perideridia americana sn (Rb), Sium suave sn (Rb), Zizia aurea sn (Rb, WR); Asteraceae: Achillea millefolium sn (Re), Aster lanceolatus sn (Gr), Aster lateriflorus sn (Gr), Cirsium arvense sn (Gr), Eupatorium perfoliatum sn (Gr), Euthamia graminifolia sn (Rb), Heliopsis helianthoides sn (Gr), Solidago canadensis sn (Rb, WR), Solidago gigantea sn (Rb, WR), Solidago juncea sn (Gr), Solidago ulmifolia sn (WR); Lamiaceae: Pycnanthemum virginianum sn (Re); Polygonaceae: Persicaria pensylvanica sn (Rb), Persicaria punctata sn (Rb)