Flower-Visiting Insects
of Alfalfa

Medicago sativa (Alfalfa) introduced
(Bees suck nectar and/or collect pollen, butterflies suck nectar, plant bug activity is unspecified; observations are from Krombein et al., Voss, Wilhelm & Rericha, and Stevens as indicated below)

Bees (long-tongued)
Megachilidae (Megachilini): Megachile centuncularis (Stv), Megachile dentitarsus (Stv), Megachile latimanus sn (Stv), Megachile melanophaea (Stv), Megachile mendica (Stv), Megachile rotundata (WR); Megachilidae (Trypetini): Heriades carinata (Kr)

Bees (short-tongued)
Halictidae (Nomiinae): Nomia nortoni nortoni (Kr), Nomia triangulifera (Kr); Colletidae (Colletinae): Colletes kincaidii (Kr), Colletes latitarsis (Kr), Colletes mandibularis (Kr); Andrenidae (Andreninae): Andrena accepta (Kr), Andena helianthi (Kr), Andrena imitatrix imitatrix (Kr); Andrenidae (Panurginae): Calliopsis andreniformis (Kr), Calliopsis nebraskensis (Kr)

Papilionidae: Papilio glaucus sn (V); Nymphalidae: Cercyonis pegala sn (V); Pieridae: Colias philodice sn (V), Pieris rapae sn (V)

Plant Bugs
Miridae: Adelphocoris lineolatus (WR)