Flowering Plants Visited
by Osmia
illinoensis
Osmia illinoensis Robertson: Megachilidae (Osmiini), Hymenoptera
(one observation is from Crosswhite & Crosswhite, otherwise observations are from Robertson)
Amaryllidaceae: Hypoxis hirstua cp fq (Rb); Boraginaceae: Lithospermum canescens sn cp fq (Rb); Fabaceae: Astragalus crassicarpus trichocalyx sn cp (Rb); Ranunculaceae: Ranunculus fascicularis sn (Rb); Rosaceae: Fragaria virginiana sn (Rb); Scrophulariaceae: Penstemon gracilis wisconsinensis (CC)