Flower-Visiting Insects
of Unicorn Plant

Proboscidea louisianica (Unicorn Plant)
(bees suck nectar or collect pollen; two bee species, Anthophora occidentalis and Centris lanosa, are native to the southern plains, rather than the Midwest; observations are from Thieret in Oklahoma)

Bees (long-tongued)
Apidae (Bombini): Bombus fervida sn/cp (Thr); Anthophoridae (Anthophorinae): Anthophora occidentalis sn/cp (Thr); Anthophoridae (Centridini): Centris lanosa sn/cp (Thr); Anthophoridae (Eucerini): Melissodes communis sn/cp (Thr)

Bees (short-tongued)
Halictidae (Halictinae): Augochorella striata sn/cp (Thr), Lasioglossum spp. cp np (Thr)