Flower-Visiting Insects
of Hairy Penstemon

Penstemon hirsutus (Hairy Penstemon)
(Bees collect pollen or suck nectar; bee flies suck nectar; wasps perforate the flowers [prf], suck nectar from the perforations [sn@prf], and are non-pollinating; butterflies & skippers suck nectar, but are non-pollinating. Most observations are from Robertson, otherwise they are from Tuell et al. as indicated below)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera (Tll); Apidae (Bombini): Bombus auricomus sn fq, Bombus bimaculatus (Tll), Bombus griseocollis sn, Bombus impatiens sn, Bombus pensylvanicus sn fq, Bombus vagans sn; Anthophoridae (Anthophorini): Anthophora abrupta sn fq, Anthophora ursina sn cp fq; Anthophoridae (Ceratinini): Ceratina calcarata/dupla (Tll), Ceratina dupla dupla sn ; Anthophoridae (Eucerini): Synhalonia belfragii sn cp fq, Synhalonia rosae sn fq, Synhalonia speciosa sn fq icp; Anthophoridae (Melectini): Melecta thoracica sn; Anthophoridae (Nomadini): Nomada affabilis sn; Anthophoridae (Xylocopini): Xylocopa virginica (Tll); Megachilidae (Osmiini): Hoplitis pilosifrons sn cp fq, Osmia atriventris sn cp fq, Osmia bucephala bucephala sn, Osmia collinsiae sn, Osmia cordata sn cp fq, Osmia distincta sn cp fq olg, Osmia lignaria lignaria sn, Osmia pumila sn cp fq

Bees (short-tongued)
Halictidae (Halictinae): Lasioglossum admirandum (Tll)

Vespidae (Eumeninae): Euodynerus foraminatus prf sn @prf np

Bombyliidae: Bombylius atriceps sn

Papilionidae: Battus philenor sn np, Papilio cresphontes sn np, Papilio polyxenes asterias sn np

Hesperiidae: Poanes zabulon sn np