Flower-Visiting Insects
of Wavy-Leaved Thistle

Cirsium undulatum (Wavy-Leaved Thistle)
(bees suck nectar and/or collect pollen, the butterfly sucks nectar; observations are from Krombein et al., Kopper et al., and Wilhelm & Rericha as indicated below)

Bees (long-tongued)
Apidae (Bombini): Bombus fervidus (WR), Bombus griseocollis (WR), Bombus impatiens (WR)

Bees (short-tongued)
Halictidae (Halictinae): Halictus ligatus (WR); Andrenidae (Andreninae): Andrena helianthi (Kr), Andrena miranda (Kr)

Nymphalidae: Speyeria idalia sn fq (KMC)