Flowering Plants Visited
by Chelostoma
philadelphi
Chelostoma philadelphi Robertson: Megachilidae (Trypetini), Hymenoptera
(observations are from Robertson, Grundel et al., and Wilhelm & Rericha; this bee may be an oligolege of Philadelphus spp.)
Apiaceae: Sanicula odorata (WR); Asteraceae: Krigia biflora sn (Gnd, WR); Brassicaceae: Capsella bursa-pastoris sn (Rb); Geraniaceae: Geranium maculatum sn np (Rb); Hydrophyllaceae: Ellisia nyctelea sn (Rb), Hydrophyllum appendiculatum sn cp (Rb); Philadelphaceae: Philadelphus grandiflorus sn cp fq icp olg (Rb); Rosaceae: Crataegus crus-galli sn (Rb), Rubus michiganensis sn (WR)