About Mustard Beetle
A small metallic blue-black beetle that feeds on watercress, mustard and other crucifers. Both adults and larvae damage crops. Common in damp habitats near streams.
Did You Know?
Commercial watercress growers regard this tiny beetle as one of their most persistent pest problems.
How to Identify Mustard Beetle
Mustard Beetle (Phaedon cochleariae) belongs to the order Coleoptera, family Chrysomelidae. Adults typically measure 3-4 mm.
Mustard Beetle Habitat
Mustard Beetle is found in farmland habitats, particularly across Europe. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Mustard Beetle Diet and Feeding
Mustard 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 Mustard Beetle Found?
Mustard Beetle can be found in Europe, where it inhabits farmland environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Mustard Beetle can be found
Is Mustard Beetle Dangerous?
Mustard 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.
Mustard Beetle Role in Nature
Mustard 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 Mustard Beetle
What does Mustard Beetle look like?
The Mustard Beetle typically measures 3-4 mm.
Where is Mustard Beetle found?
The Mustard Beetle is found in Europe and typically inhabits farmland environments.
What does Mustard Beetle eat?
The Mustard Beetle feeds on plant material including leaves, stems, and other vegetation.
Is Mustard Beetle dangerous to humans?
The Mustard Beetle is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Mustard Beetle?
Commercial watercress growers regard this tiny beetle as one of their most persistent pest problems.
Cite This Page
APA:
InsectDiscover. (2026). Mustard Beetle (Phaedon cochleariae). Retrieved from https://insectdiscover.com/insect/mustard-beetle
MLA:
"Mustard Beetle." InsectDiscover, https://insectdiscover.com/insect/mustard-beetle.