Dark Arches Moth vs Nettle-tap Flea Beetle

Side-by-side species comparison

Attribute Dark Arches Moth Nettle-tap Flea Beetle
Scientific Name Apamea monoglypha Longitarsus nasturtii
Order Lepidoptera Coleoptera
Family Noctuidae Chrysomelidae
Size 46-56 mm wingspan 1.5-2 mm
Habitat Farmland Rivers & Streams
Diet Root Feeders Root Feeders
Regions Europe, Western Asia Europe
Conservation Least Concern Least Concern

Dark Arches Moth

A large, dark brown moth with complex darker markings and pale stigmata. It is one of the largest and most frequently trapped noctuids in Europe.

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Did You Know?

Larvae have been recorded feeding on other moth caterpillars when food is scarce.

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.