Flower-Visiting Insects
of Slender Penstemon
(typical variety)


Penstemon gracilis gracilis (Slender Penstemon, typical variety)
(insect activity is largely unspecified; observations are from Crosswhite & Crosswhite; information is limited to Mason bees)

Bees (long-tongued)
Megachilidae (Osmiini): Osmia atriventris (CC), Osmia distincta cp olg (CC), Osmia proxima (CC), Osmia pumila (CC), Osmia simillima (CC)


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