
Community identification
Black Vine Weevil
Otiorhynchus sulcatus
- Order & Family
- Order: Coleoptera, Family: Curculionidae
- Size
- Approximately 9 mm to 12 mm in length.
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.