Long-horned Ant-loving Beetle vs Rusty Sedge

Side-by-side species comparison

Attribute Long-horned Ant-loving Beetle Rusty Sedge
Scientific Name Claviger longicornis Hydropsyche saxonica
Order Coleoptera Trichoptera
Family Staphylinidae Hydropsychidae
Size 2-3 mm 10-13 mm
Habitat Underground Rivers & Streams
Diet Omnivores Omnivores
Regions Central and Southern Europe Europe
Conservation Least Concern Least Concern

Long-horned Ant-loving Beetle

A minute, blind pselaphine rove beetle with elongate antennae relative to its body size. Like its congeners, it is an obligate myrmecophile entirely dependent on host ants for nutrition.

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Did You Know?

The elongate antennae of this blind beetle serve as its primary sensory organs for navigating the total darkness of its underground ant-nest home.

Rusty Sedge

A net-spinning caddisfly of clean upland European streams sensitive to organic pollution. Larvae construct fine-meshed capture nets between stones.

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Did You Know?

Its presence is used as a biological indicator of excellent water quality in European river assessments.