Skimmer Stonefly vs Amazonian Net-Winged Beetle

Side-by-side species comparison

Attribute Skimmer Stonefly Amazonian Net-Winged Beetle
Scientific Name Acroneuria abnormis Calopteron brasiliense
Order Plecoptera Coleoptera
Family Perlidae Lycidae
Size 20-30 mm 10-20 mm
Habitat Rivers & Streams Underground
Diet Predators Predators
Regions Eastern North America Brazil, Peru, Bolivia, Paraguay
Conservation Least Concern Not Evaluated

Skimmer Stonefly

A large predatory stonefly widespread in eastern North American rivers. Adults skim across the water surface during egg-laying flights.

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Did You Know?

Female skimmer stoneflies bounce across the water surface while releasing eggs, appearing to skip like a stone.

Amazonian Net-Winged Beetle

A soft-bodied beetle with broad, fan-shaped elytra featuring a net-like venation pattern. Its bright orange and black coloring warns predators of toxicity.

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Did You Know?

Multiple harmless beetle species mimic its warning coloration, forming a large Mullerian mimicry ring in the forest.