Birch Leaf Beetle vs Mountain Prosimulium
Side-by-side species comparison
| Attribute | Birch Leaf Beetle | Mountain Prosimulium |
|---|---|---|
| Scientific Name | Chrysomela collaris | Prosimulium mixtum |
| Order | Coleoptera | Diptera |
| Family | Chrysomelidae | Simuliidae |
| Size | 6-8 mm | 2-4 mm |
| Habitat | Mountains | Mountains |
| Diet | Herbivores | Omnivores |
| Regions | Northern and Central Europe, Siberia | North America |
| Conservation | Least Concern | Least Concern |
Birch Leaf Beetle
A handsome beetle with dark metallic blue-black elytra and a contrasting bright red pronotum. It is found on birch trees in northern and mountainous regions of Europe.
Did You Know?
The striking red-and-blue color combination serves as aposematic warning coloration, advertising the beetle's chemical defenses to potential predators.
Mountain Prosimulium
An early-season black fly of cold mountain streams in North America. Larvae develop in small headwater streams during late winter and early spring.
Did You Know?
Adults emerge so early in spring that they are often the first biting flies encountered by hikers each year.