Bug Identifier
Black Vine Weevil
Community identification

Black Vine Weevil

Otiorhynchus sulcatus

Order & Family
Order: Coleoptera, Family: Curculionidae
Size
Approximately 9 mm to 12 mm in length.
See this bug in the Encyclopedia

Natural Habitat

Found in gardens, nurseries, and greenhouses; frequently enters homes during seasonal temperature changes or while seeking moisture.

Diet & Feeding

Adults feed on the foliage of over 100 different plant species (including yews, hemlocks, and rhododendrons), while larvae consume plant roots.

Behavior Patterns

Primarily nocturnal; adults are flightless and typically enter homes by crawling through crevices. All individuals of this species are female and reproduce parthenogenetically (without mating).

Risks & Benefits

Harmless to humans and pets as they do not bite, sting, or carry disease. However, they are significant agricultural and garden pests that can damage or kill ornamental plants.