Flower-Visiting Insects
of Trumpet
Penstemon
Penstemon tubaeflorus (Trumpet Penstemon)
(Long-tongued bees suck nectar or collect pollen, while short-tongued bees collect pollen only; butterflies suck nectar; all observations are from Clinebell & Bernhardt)
Bees (long-tongued)
Apidae (Bombini): Bombus pensylvanica sn; Anthophoridae (Anthophorinae): Anthophora abrupta sn, Anthophora ursina sn; Megachilidae (Osmiini): Osmia distincta cp olg
Bees (short-tongued)
Halictidae (Halictinae): Augochlorella striata cp
Butterflies
Papilionidae: Papilio troilus sn