Alfalfa Weevil

Scientific Name: Hypera postica

Order & Family: Coleoptera: Curculionidae

Size: 3 to 5.5 mm (1/8 to 1/4 inch)

Alfalfa Weevil

Natural Habitat

Agricultural fields, meadows, and areas with legume plants like alfalfa and clover

Diet & Feeding

Herbivorous; both larvae and adults feed on alfalfa leaves and other legumes

Behavior Patterns

They undergo complete metamorphosis; adults overwinter in soil or leaf litter and emerge in spring to lay eggs inside plant stems

Risks & Benefits

Significant agricultural pest that can cause extensive damage to alfalfa crops; no direct risk to humans or pets

Identified on: 5/21/2026