About 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.
How to Identify Spotted Willow Leaf Beetle
Spotted Willow Leaf Beetle (Chrysomela knabi) belongs to the order Coleoptera, family Chrysomelidae. Adults typically measure 6-8 mm.
Spotted Willow Leaf Beetle Habitat
Spotted Willow Leaf Beetle is found in mountains habitats, particularly across Western North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Spotted Willow Leaf Beetle Diet and Feeding
Spotted Willow Leaf Beetle is a herbivore, feeding on plant material including leaves, stems, flowers, and other vegetation. Herbivorous insects play a significant role in ecosystems by influencing plant growth and serving as a food source for predators.
Where Is Spotted Willow Leaf Beetle Found?
Spotted Willow Leaf Beetle can be found in Western North America, where it inhabits mountains environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Spotted Willow Leaf Beetle can be found
Is Spotted Willow Leaf Beetle Dangerous?
Spotted Willow Leaf Beetle is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.
Spotted Willow Leaf Beetle Role in Nature
Spotted Willow Leaf Beetle is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.
Seasonal Activity
Frequently Asked Questions About Spotted Willow Leaf Beetle
What does Spotted Willow Leaf Beetle look like?
The Spotted Willow Leaf Beetle typically measures 6-8 mm.
Where is Spotted Willow Leaf Beetle found?
The Spotted Willow Leaf Beetle is found in Western North America and typically inhabits mountains environments.
What does Spotted Willow Leaf Beetle eat?
The Spotted Willow Leaf Beetle feeds on plant material including leaves, stems, and other vegetation.
Is Spotted Willow Leaf Beetle dangerous to humans?
The Spotted Willow Leaf Beetle is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Spotted Willow Leaf Beetle?
This species is adapted to high-altitude habitats and is commonly found above 2,000 meters elevation in the Rocky Mountains.
Cite This Page
APA:
InsectDiscover. (2026). Spotted Willow Leaf Beetle (Chrysomela knabi). Retrieved from https://insectdiscover.com/insect/spotted-willow-leaf-beetle
MLA:
"Spotted Willow Leaf Beetle." InsectDiscover, https://insectdiscover.com/insect/spotted-willow-leaf-beetle.