Maltese Freshwater Crab Spider Beetle vs Needle Stonefly

Side-by-side species comparison

Attribute Maltese Freshwater Crab Spider Beetle Needle Stonefly
Scientific Name Akis spinosa Leuctra fusca
Order Coleoptera Plecoptera
Family Tenebrionidae Leuctridae
Size 18-25 mm 6-10 mm
Habitat Underground Rivers & Streams
Diet Herbivores Herbivores
Regions Malta, Mediterranean Islands Europe, Asia
Conservation Not Evaluated Least Concern

Maltese Freshwater Crab Spider Beetle

A spiny darkling beetle found on Malta and other Mediterranean islands. It has prominent ridges and spines along its elytra.

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Did You Know?

Its spiny armor and habit of playing dead make it unappealing to most predators.

Needle Stonefly

A small slender stonefly that rolls its wings tightly around its body at rest, giving it a needle-like appearance. Common in small streams across Europe.

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Did You Know?

Needle stoneflies are among the most pollution-sensitive aquatic insects and disappear quickly from streams affected by acid rain.