Flowering Plants Visited
by Ectemnius
lapidarius
Ectemnius lapidarius Panzer: Sphecidae (Crabroninae), Hymenoptera
(observations are from Robertson, Graenicher, Reed, and Wilhelm & Rericha)
Apiaceae: Cicuta maculata sn (Rb), Cryptotaenia canadensis sn (Rb), Heracleum maximum sn fq (Rb), Pastinaca sativa sn (Rb), Sanicula odorata (WR), Sium suave sn fq (Rb), Taenidia integerrima sn (Rb), Zizia aurea sn fq (Rb, WR); Asteraceae: Achillea millefolium sn (Gr), Aster furcatus sn (Gr), Aster lateriflorus sn (Gr), Cirsium arvense sn (Gr), Conyza canadensis sn (Gr), Solidago canadensis sn (Rb, Gr, Re, WR), Solidago juncea sn (Gr, WR), Solidago nemoralis sn (Re), Solidago ulmifolia sn (WR); Brassicaceae: Rorippa teres sn (Rb); Saxifragaceae: Saxifraga pensylvanica sn (Gr); Verbenaceae: Verbena hastata sn (WR)