Black Vine Weevil

Scientific Name: Otiorhynchus sulcatus

Order & Family: Coleoptera; Family Curculionidae

Size: Approximately 8 to 11 mm in length.

Black Vine Weevil

Natural Habitat

Found in gardens, nurseries, and greenhouses; frequently enters homes during cooler months seeking shelter.

Diet & Feeding

Adults feed on the foliage of over 100 different plant species (notching leaves); larvae feed on plant roots.

Behavior Patterns

Flightless and nocturnal; they are typically all female and reproduce via parthenogenesis. They play dead when disturbed.

Risks & Benefits

Significant agricultural and garden pest that can kill plants by destroying root systems. They pose no physical risk to humans or pets but can be a nuisance indoors.

Identified on: 6/17/2026