Flower-Visiting Insects of
Long-sepaled Penstemon


Penstemon calycosus (Long-sepaled Penstemon)
(bees suck nectar and/or collect pollen, ants suck nectar or explore the inflorescences and they are non-pollinating, butterflies suck nectar, beetle and plant bug activity is unspecified; the large carpenter bee, Xylocopa virginica, perforates the corolla [prf] at the base and steals nectar [sn@prf] without properly pollinating the flower; the mason bee, Osmia distincta, is an oligolege of Penstemon spp.; observations are from Wilhelm & Rericha)

Bees (long-tongued)
Apidae (Bombini): Bombus auricomus (WR), Bombus bimaculatus (WR), Bombus griseocollis (WR), Bombus impatiens (WR); Anthophoridae (Anthophorini): Anthophora teriminalis (WR); Anthophoridae (Ceratinini): Ceratina calcarata (WR), Ceratina dupla dupla (WR), Ceratina mikmaqi (WR), Ceratina strenua (WR); Anthophoridae (Xylocopini): Xylocopa virginica prf sn@prf np (WR); Megachilidae (Osmiini): Osmia distincta cp olg

Bees (short-tongued)
Halictidae (Halictinae): Augochlorella aurata (WR), Lasioglossum leucocomum cp (WR), Lasioglossum versatum cp (WR)

Ants
Formicidae (Formicinae): Formica subsericea sn exp np (WR), Prenolepis imparis sn exp np (WR)

Butterflies
Papilionidae: Papilio glaucus sn (WR)

Beetles
Cantharidae: Chauliognathus marginatus (WR), Chauliognathus pennsylvanicus (WR)

Plant Bugs
Miridae: Sixeonotus insignis (WR)


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