About Cottonwood Leaf Beetle
A variable beetle with pale yellow elytra marked with dark elongated spots and streaks. It is a common defoliator of cottonwood, poplar, and willow trees across North America.
Did You Know?
Larvae release volatile salicylaldehyde from glands on their thorax and abdomen, producing a distinctive medicinal smell that repels ants.
How to Identify Cottonwood Leaf Beetle
Cottonwood Leaf Beetle (Chrysomela scripta) belongs to the order Coleoptera, family Chrysomelidae. Adults typically measure 6-9 mm.
Cottonwood Leaf Beetle Habitat
Cottonwood Leaf Beetle is found in farmland habitats, particularly across North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Cottonwood Leaf Beetle Diet and Feeding
Cottonwood Leaf Beetle feeds on wood and bark, often boring into timber. Wood-feeding insects contribute to the decomposition of dead trees and nutrient cycling in forest ecosystems.
Where Is Cottonwood Leaf Beetle Found?
Cottonwood Leaf Beetle can be found in North America, where it inhabits farmland environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Cottonwood Leaf Beetle can be found
Is Cottonwood Leaf Beetle Dangerous?
Cottonwood 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.
Cottonwood Leaf Beetle Role in Nature
Cottonwood 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 Cottonwood Leaf Beetle
What does Cottonwood Leaf Beetle look like?
The Cottonwood Leaf Beetle typically measures 6-9 mm.
Where is Cottonwood Leaf Beetle found?
The Cottonwood Leaf Beetle is found in North America and typically inhabits farmland environments.
What does Cottonwood Leaf Beetle eat?
The Cottonwood Leaf Beetle feeds on wood and bark, often boring into timber.
Is Cottonwood Leaf Beetle dangerous to humans?
The Cottonwood 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 Cottonwood Leaf Beetle?
Larvae release volatile salicylaldehyde from glands on their thorax and abdomen, producing a distinctive medicinal smell that repels ants.
Cite This Page
APA:
InsectDiscover. (2026). Cottonwood Leaf Beetle (Chrysomela scripta). Retrieved from https://insectdiscover.com/insect/cottonwood-leaf-beetle
MLA:
"Cottonwood Leaf Beetle." InsectDiscover, https://insectdiscover.com/insect/cottonwood-leaf-beetle.