Longhorn Caddisfly vs Small Brown Stonefly

Side-by-side species comparison

Attribute Longhorn Caddisfly Small Brown Stonefly
Scientific Name Oecetis ochracea Nemoura cinerea
Order Trichoptera Plecoptera
Family Leptoceridae Nemouridae
Size 8-12 mm 6-10 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Predators Herbivores
Regions Europe, Asia Europe, Asia
Conservation Least Concern Least Concern

Longhorn Caddisfly

A slender caddisfly with antennae much longer than its body. Larvae are unusual among caddisflies in being active predators that hunt in their cases.

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Did You Know?

These caddisfly larvae carry their cases while stalking prey like tiny hermit crabs hunting on the lake floor.

Small Brown Stonefly

A very common small brown stonefly found in a wide range of freshwater habitats across Europe. It is one of the most tolerant stoneflies to mild pollution.

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Did You Know?

Unlike most stonefly species that require pristine water, this species can tolerate mildly enriched conditions, making it one of the last stoneflies found in degraded streams.