California Root Borer vs Mountain Shieldbug
Side-by-side species comparison
| Attribute | California Root Borer | Mountain Shieldbug |
|---|---|---|
| Scientific Name | Prionus californicus | Canthophorus impressus |
| Order | Coleoptera | Hemiptera |
| Family | Cerambycidae | Cydnidae |
| Size | 35-60 mm | 4-6 mm |
| Habitat | Orchards | Tundra & Arctic |
| Diet | Root Feeders | Root Feeders |
| Regions | Western United States, British Columbia | Scandinavia, Scotland, northern Russia, alpine Europe |
| Conservation | Least Concern | Least Concern |
California Root Borer
A massive prionine beetle found in western North America, one of the largest beetles in the region. Males have conspicuously large, serrated antennae. Larvae are root borers that attack both living and dead trees.
Did You Know?
Larvae of this species have been found feeding on roots over 2 meters deep in the soil.
Mountain Shieldbug
A small, dark brown to black burrowing shieldbug found in Arctic and alpine habitats. It has a broadly oval body with a prominent scutellum. Adults live at the base of plants and in soil crevices.
Did You Know?
This shieldbug emits a strong defensive odor when disturbed, which is particularly pungent in cold Arctic air.