Spotted Willow Leaf Beetle vs Black Vine Weevil
Side-by-side species comparison
| Attribute | Spotted Willow Leaf Beetle | Black Vine Weevil |
|---|---|---|
| Scientific Name | Chrysomela knabi | Otiorhynchus sulcatus |
| Order | Coleoptera | Coleoptera |
| Family | Chrysomelidae | Curculionidae |
| Size | 6-8 mm | 8-12 mm |
| Habitat | Mountains | Gardens |
| Diet | Herbivores | Root Feeders |
| Regions | Western North America | Europe, introduced worldwide |
| Conservation | Least Concern | Not Evaluated |
Spotted Willow Leaf Beetle
A dark metallic blue-black beetle with an oval body found on willows in western North America. Adults and larvae feed on willow foliage near mountain streams.
Did You Know?
This species is adapted to high-altitude habitats and is commonly found above 2,000 meters elevation in the Rocky Mountains.
Black Vine Weevil
A dull black, flightless weevil that is a serious pest of ornamental plants. Adults feed at night, leaving characteristic notches on leaf margins.
Did You Know?
Nearly all individuals are female, reproducing by parthenogenesis without mating.