Flowering Plants Visited
by Symmorphus
cristatus
Symmorphus cristatus Saussure: Vespidae (Eumeninae), Hymenoptera
(observations are from Graenicher and Wilhelm & Rericha)
Apiaceae: Oxypolis rigidior sn (WR); Asteraceae: Achillea millefolium sn (Gr), Aster drummondii sn (Gr), Aster macrophyllus sn (Gr), Conyza canadensis sn (Gr), Solidago juncea sn (Gr); Caprifoliaceae: Symphoricarpos albus sn (Gr); Saxifragaceae: Saxifraga pensylvanica sn (Gr)