Flower-Visiting Insects
of Large-Flowered Penstemon
Penstemon grandiflorus (Large-Flowered Penstemon)
(Long-tongued bees suck nectar or collect pollen; short-tongued bees collect only pollen; flies feed on pollen; the skipper sucks nectar; beetle activity is unspecified; observations are from Reed, Clinebell & Bernhardt, Crosswhite & Crosswhite, and Wilhelm & Rericha as indicated below)
Bees (long-tongued)
Apidae (Bombini): Bombus affinis sn (Re), Bombus auricomus sn (Re), Bombus fervida sn, Bombus griseocollis sn (CB), Bombus pensylvanicus sn (CB); Anthophoridae (Anthophorini): Anthophora terminalis sn (Re); Anthophoridae (Ceratinini): Ceratina sp. cp (Re); Anthophoridae (Eucerini): Synhalonia dubitata sn cp olg (Re), Synhalonia hamata sn (Re); Anthophoridae (Xylocopini): Xylocopa virginica prf sn@prf np (CB); Megachilidae (Megachilini): Megachile brevis sn (CB); Megachilidae (Osmiini): Hoplitis pilosifrons cp (Re, CB), Osmia distincta cp olg (Re, CC), Osmia simillima cp (Re)
Bees (short-tongued)
Halictidae (Halictinae): Agapostemon virescens cp (Re), Augochlorella persimilis cp (CB), Augochlorella striata cp fq (Re, CB), Lasioglossum spp. cp fq (CB), Lasioglossum acuminatum cp (Re), Lasioglossum coriaceum cp (Re), Lasioglossum cressonii cp (Re), Lasioglossum nymphaearum cp (Re), Lasioglossum paraforbesii cp (Re), Lasioglossum pictum cp (Re), Lasioglossum pilosum cp (Re), Lasioglossum pruinosum cp (Re), Lasioglossum rohweri cp (Re); Colletidae (Hylaeinae): Hylaeus affinis cp (Re), Hylaeus mesillae cp (Re)
Flies
Syrphidae: Sphaerophoria sp. fp (Re); Anthomyiidae: Hylemya sp. fp (Re)
Skippers
Hesperiidae: Polites peckius sn (Re)
Beetles
Buprestidae: Acmaeodera tubulus (WR); Chrysomelidae: Diabrotica cristata (WR)