Flower-Visiting Insects
of Midwestern Arrowhead
Sagittaria brevirostra (Midwestern Arrowhead)
(the short-tongued bees suck nectar from pistillate flowers; observations are from Wilhelm & Rericha)
On pistillate flowers:
Bees (short-tongued)
Colletidae (Hylaeninae): Hylaeus affinis sn (WR), Hylaeus illinoisensis sn (WR)