Nettle-tap Flea Beetle vs Large Cinnamon Sedge

Side-by-side species comparison

Attribute Nettle-tap Flea Beetle Large Cinnamon Sedge
Scientific Name Longitarsus nasturtii Potamophylax latipennis
Order Coleoptera Trichoptera
Family Chrysomelidae Limnephilidae
Size 1.5-2 mm 15-22 mm
Habitat Rivers & Streams Rivers & Streams
Diet Root Feeders Detritivores
Regions Europe Europe
Conservation Least Concern Least Concern

Nettle-tap Flea Beetle

A tiny yellowish-brown flea beetle found on watercress and other crucifers in damp habitats. Larvae mine in plant roots. Can be a minor pest of commercial watercress.

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Did You Know?

Commercially grown watercress can be damaged by this beetle, which is nearly invisible to the naked eye.

Large Cinnamon Sedge

A large, robust caddisfly with broad cinnamon-colored wings found across Europe. Larvae build heavy stone cases in cool upland streams.

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Did You Know?

Its heavy stone case protects it from both predators and the strong currents of mountain streams.