Black Vine Weevil

Scientific Name: Otiorhynchus sulcatus

Order & Family: Order: Coleoptera; Family: Curculionidae

Size: 8 to 11 mm (0.31 to 0.43 inches)

Black Vine Weevil

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