About Reed Beetle
A striking aquatic leaf beetle with metallic golden-green to coppery elytra and elongated hind legs. It is one of the largest European Donacia species, found on waterlily pads.
Did You Know?
Larvae live entirely underwater, tapping into plant roots for both food and oxygen, using specialized spiracles to breathe air from root aerenchyma.
How to Identify Reed Beetle
Reed Beetle (Donacia crassipes) belongs to the order Coleoptera, family Chrysomelidae. Adults typically measure 9-12 mm.
Reed Beetle Habitat
Reed Beetle is found in ponds & lakes habitats, particularly across Europe, Western Asia. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Reed Beetle Diet and Feeding
Reed Beetle feeds on plant roots, typically during its larval stage. Root feeders can affect plant health and are sometimes considered agricultural pests.
Where Is Reed Beetle Found?
Reed Beetle can be found in Europe, Western Asia, where it inhabits ponds & lakes environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Reed Beetle can be found
Is Reed Beetle Dangerous?
Reed 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.
Reed Beetle Role in Nature
Reed 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 Reed Beetle
What does Reed Beetle look like?
The Reed Beetle typically measures 9-12 mm.
Where is Reed Beetle found?
The Reed Beetle is found in Europe, Western Asia and typically inhabits ponds & lakes environments.
What does Reed Beetle eat?
The Reed Beetle feeds on plant roots.
Is Reed Beetle dangerous to humans?
The Reed Beetle is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Reed Beetle?
Larvae live entirely underwater, tapping into plant roots for both food and oxygen, using specialized spiracles to breathe air from root aerenchyma.
Cite This Page
APA:
InsectDiscover. (2026). Reed Beetle (Donacia crassipes). Retrieved from https://insectdiscover.com/insect/reed-beetle
MLA:
"Reed Beetle." InsectDiscover, https://insectdiscover.com/insect/reed-beetle.