Omalium Shore Rove Beetle vs Mothlike Caddisfly

Side-by-side species comparison

Attribute Omalium Shore Rove Beetle Mothlike Caddisfly
Scientific Name Omalium rivulare Triaenodes bicolor
Order Coleoptera Trichoptera
Family Staphylinidae Leptoceridae
Size 4-5 mm 10-14 mm
Habitat Gardens Ponds & Lakes
Diet Detritivores Detritivores
Regions Europe, Northern Asia Europe
Conservation Least Concern Least Concern

Omalium Shore Rove Beetle

A small, flattened rove beetle found near water and in compost. It feeds on decaying plant matter as well as small invertebrates.

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Did You Know?

It is among the first insects to colonize fresh compost heaps, arriving within hours.

Mothlike Caddisfly

An elegant caddisfly with pale straw-colored wings and long antennae found near still waters. Larvae build slender spiral cases from plant fragments and swim actively.

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Did You Know?

Triaenodes larvae are unusual among caddisflies in being strong swimmers, propelled by their fringed hind legs.