Black Vine Weevil
Scientific Name: Otiorhynchus sulcatus
Order & Family: Coleoptera: Curculionidae
Size: 8 to 11 mm in length

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