Perlodes Stonefly vs Brown Willow Beetle

Side-by-side species comparison

Attribute Perlodes Stonefly Brown Willow Beetle
Scientific Name Perlodes microcephalus Galerucella lineola
Order Plecoptera Coleoptera
Family Perlodidae Chrysomelidae
Size 15-25 mm 4-6 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Herbivores
Regions Europe Europe
Conservation Least Concern Least Concern

Perlodes Stonefly

A striking patterned stonefly with yellow and brown markings found across Europe. Nymphs are active predators that emerge in spring.

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Did You Know?

Males communicate with potential mates by vibrating their bodies against the substrate to produce drumming signals.

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.

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Did You Know?

A close relative was deliberately introduced to North America as biological control for invasive purple loosestrife.