Flowering Plants Visited
by Hylaeus
sparsus
Hylaeus sparsus Cresson: Colletidae (Hylaeinae), Hymenoptera
(observations are from Robertson, Lovell, and Wilhelm & Rericha)
Apiaceae: Heracleum maximum (WR), Osmorhiza longistylis sn (Rb), Perideridia americana sn (Rb), Sanicula odorata (WR), Taenidia integerrima (WR), Thaspium trifoliatum flavum sn (Rb), Zizia aurea (WR); Cornaceae: Cornus sericea (Lvl); Rosaceae: Rubus bellobatus (WR)