Iris Weevil

Scientific Name: Mononychus punctumalbum

Order & Family: Coleoptera: Curculionidae

Size: 3 mm to 5 mm in length

Iris Weevil

Natural Habitat

Primarily associated with iris plants in wetlands, gardens, and meadows

Diet & Feeding

Adults and larvae feed on iris plants, particularly the seeds and seed pods

Behavior Patterns

Adults are often found on iris flowers in late spring; females lay eggs in the developing seed pods where the larvae then feed

Risks & Benefits

Can be a minor agricultural or garden pest by damaging iris seeds, but otherwise has little impact on humans or the broader ecosystem

Identified on: 5/25/2026