Flower-Visiting Insects
of Alfalfa

Medicago sativa (Alfalfa) introduced
(Information is restricted to bees; bees suck nectar or collect pollen; observations are from Krombein et al.)

Bees (long-tongued)
Megachilidae (Trypetini): Heriades carinatum

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