About Brown Willow Beetle
A small brown beetle that feeds on willow leaves and can cause significant defoliation. Has been used as a biological control agent for purple loosestrife in North America.
Did You Know?
A close relative was deliberately introduced to North America as biological control for invasive purple loosestrife.
How to Identify Brown Willow Beetle
Brown Willow Beetle (Galerucella lineola) belongs to the order Coleoptera, family Chrysomelidae. Adults typically measure 4-6 mm.
Brown Willow Beetle Habitat
Brown Willow Beetle is found in rivers & streams habitats, particularly across Europe. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Brown Willow Beetle Diet and Feeding
Brown Willow 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 Brown Willow Beetle Found?
Brown Willow Beetle can be found in Europe, where it inhabits rivers & streams environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Brown Willow Beetle can be found
Is Brown Willow Beetle Dangerous?
Brown Willow 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.
Brown Willow Beetle Role in Nature
Brown Willow 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 Brown Willow Beetle
What does Brown Willow Beetle look like?
The Brown Willow Beetle typically measures 4-6 mm.
Where is Brown Willow Beetle found?
The Brown Willow Beetle is found in Europe and typically inhabits rivers & streams environments.
What does Brown Willow Beetle eat?
The Brown Willow Beetle feeds on plant material including leaves, stems, and other vegetation.
Is Brown Willow Beetle dangerous to humans?
The Brown Willow Beetle is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Brown Willow Beetle?
A close relative was deliberately introduced to North America as biological control for invasive purple loosestrife.
Cite This Page
APA:
InsectDiscover. (2026). Brown Willow Beetle (Galerucella lineola). Retrieved from https://insectdiscover.com/insect/brown-willow-beetle
MLA:
"Brown Willow Beetle." InsectDiscover, https://insectdiscover.com/insect/brown-willow-beetle.