Black Vine Weevil
Scientific Name: Otiorhynchus sulcatus
Order & Family: Order: Coleoptera; Family: Curculionidae
Size: 8 to 11 mm (0.31 to 0.43 inches)

Natural Habitat
Found in gardens, nurseries, and greenhouses; frequently hides in leaf litter or soil during the day.
Diet & Feeding
Adults feed on the foliage of over 100 different plant species (notching leaves); larvae feed on plant roots.
Behavior Patterns
Strictly nocturnal; flightless (wings are fused); reproduces via parthenogenesis (all individuals are female).
Risks & Benefits
Significant agricultural and horticultural pest; can kill host plants by girdling the roots. Harmless to humans and pets.
Identified on: 5/28/2026