Black Vine Weevil

Scientific Name: Otiorhynchus sulcatus

Order & Family: Coleoptera: Curculionidae

Size: 8 to 11 mm in length

Black Vine Weevil

Natural Habitat

Found in gardens, nurseries, and greenhouses; often wanders into buildings during summer or for overwintering.

Diet & Feeding

Herbivorous; adults eat leaves of various ornamental plants (notching the edges), while larvae feed on roots.

Behavior Patterns

Nocturnal feeders that hide in soil or debris during the day. This species is flightless and consists entirely of females reproducing via parthenogenesis.

Risks & Benefits

Significant horticultural pest that can kill potted plants via root damage; poses no physical risk to humans or pets.

Identified on: 1/12/2026