Flower-Visiting Insects
of Field
Pennycress
Thlaspi arvense (Field Pennycress) introduced
(information is restricted to Andrenid bees; insect activity is unspecified; observations are from Krombein et al.)
Bees (short-tongued)
Andrenidae (Andreninae): Andrena forbesii, Andrena hippotes, Andrena illinoiensis, Andrena imitatrix imitatrix, Andrena nigrae