Flower-Visiting Insects
of Rosinweed

Silphium integrifolium (Rosinweed)
(Bees collect pollen or suck nectar, other insects and hummingbirds suck nectar; most observations are from Robertson, otherwise they are from Hilty and Williams as indicated below)

Trochilidae: Archilochus colubris sn (H)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn cp; Apidae (Bombini): Bombus impatiens sn, Bombus vagans sn; Anthophoridae (Ceratinini): Ceratina dupla dupla sn fq; Anthophoridae (Epeolini): Triepeolus concavus sn, Triepeolus remigatus sn, Triepeolus simplex sn; Anthophoridae (Eucerini): Melissodes agilis sn fq, Melissodes coloradensis sn cp, Melissodes trinodis sn fq, Svastra obliqua obliqua sn; Anthophoridae (Xylocopini): Xylocopa virginica (H); Megachilidae (Megachilini): Megachile brevis brevis sn, Megachile inimica sayi sn, Megachile mendica sn, Megachile montivaga sn, Megachile petulans sn, Megachile policaris sn, Megachile pugnatus sn cp fq

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericea sn cp, Halictus ligatus sn; Andrenidae (Andreninae): Andrena accepta sn

Bombyliidae: Systoechus vulgaris sn; Conopidae: Physocephala tibialis sn; Tachinidae: Gymnoclytia occidua sn

Nymphalidae: Danaus plexippus sn (H), Vanessa cardui sn (H); Pieridae: Colias eurytheme sn (H), Pieris rapae sn (H); Papilionidae: Papilio troilus (H)

Ctenuchidae: Cisseps fulvicollis sn (H)

Cantharidae: Chauliognathus pennsylvanicus sn (H, Wms)