Nettle-tap Flea Beetle vs Pale Evening Dun

Side-by-side species comparison

Attribute Nettle-tap Flea Beetle Pale Evening Dun
Scientific Name Longitarsus nasturtii Heptagenia adaequata
Order Coleoptera Ephemeroptera
Family Chrysomelidae Heptageniidae
Size 1.5-2 mm 8-12 mm
Habitat Rivers & Streams Rivers & Streams
Diet Root Feeders Omnivores
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.

Pale Evening Dun

A flat-bodied mayfly whose nymphs press tightly against rocks in swift currents. Adults emerge at dusk during summer months.

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Did You Know?

Its extremely flattened body allows it to resist currents that would sweep away most other insects.