Short-Tailed Stonefly vs Yellow Stonefly

Side-by-side species comparison

Attribute Short-Tailed Stonefly Yellow Stonefly
Scientific Name Brachyptera risi Isoperla dicala
Order Plecoptera Plecoptera
Family Taeniopterygidae Perlodidae
Size 8-14 mm 9-13 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Predators
Regions Europe North America
Conservation Least Concern Least Concern

Short-Tailed Stonefly

A medium-sized early-emerging stonefly with notably short cerci. It hatches in late winter and early spring across European rivers.

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Did You Know?

It is one of the first insects to emerge each year, often appearing while rivers still have ice margins.

Yellow Stonefly

A bright yellow springfly found in clean Appalachian streams. Nymphs are predatory on small invertebrates in gravel substrates.

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Did You Know?

Males produce vibrational signals by rubbing their abdomen against the substrate, audible through special sensors.