Flower-Visiting Insects
of Ninebark

Physocarpus opulifolius (Ninebark)
(bees suck nectar and/or collect pollen, some Hylaeus spp. also mate on the flowers; flies suck nectar or feed on pollen; beetles feed on nectar or feed on pollen or gnaw on floral tissue; other insects suck nectar; observations are from Krombein et al., Lisberg & Young, Voss, and Wilhelm & Rericha as indicated below)

Bees (long-tongued)
Anthophoridae (Ceratinini): Ceratina dupla dupla (WR)

Bees (short-tongued)
Colletidae (Hylaeinae): Hylaeus sp. (WR), Hylaeus affinis (WR), Hylaeus illinoisensis (WR), Hylaeus mesillae (WR), Hylaeus modestus (WR); Andrenidae (Andreninae): Andrena forbesii (Kr), Andrena hippotes (Kr), Andrena imitatrix imitatrix (Kr), Andrena rugosa (Kr), Andrena spiraeana (Kr)

Gasteruptiidae: Gasteruption floridanum sn fq (WR)

Formicidae (Formicinae): Formica glacialis sn np (WR), Formica subsericea sn np (WR)

Syrphidae: Toxomerus geminatus fq (WR), Toxomerus marginatus fq (WR)

Nymphalidae: Limenitis archippus sn (V)

Chrysomelidae: Diabrotica undecimpunctata (WR); Mordellidae: Mordella atrata (WR), Mordella marginata (LY, WR)

Plant Bugs
Thyreocoridae: Corimelaena lateralis sn (WR)