Flower-Visiting Insects
of Prostrate Knotweed
Polygonum aviculare (Prostrate Knotweed) introduced (in part)
(short-tongued bees suck nectar from the flowers; observations are from Wilhelm & Rericha; there is a complex of very similar species or subspecies of Prostrate Knotweed, some of which are native to North America)
Bees (short-tongued)
Halictidae (Halictinae): Halictus confusus sn (WR), Lasioglossum imitatum sn (WR), Lasioglossum tegulare sn (WR)