Spring Stonefly vs American Rubyspot

Side-by-side species comparison

Attribute Spring Stonefly American Rubyspot
Scientific Name Amphinemura sulcicollis Hetaerina americana
Order Plecoptera Odonata
Family Nemouridae Calopterygidae
Size 6-9 mm 40-50 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions Europe North America, Central America
Conservation Least Concern Least Concern

Spring Stonefly

A small dark stonefly that emerges in early spring in European streams. Nymphs are shredders of decomposing leaf litter in headwaters.

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Did You Know?

Adults are among the first insects to appear each spring, sometimes emerging while snow still covers the banks.

American Rubyspot

A graceful damselfly with brilliant ruby-red patches at the base of the wings in males. Its metallic red-bronze body gleams in sunlight along stream banks.

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Did You Know?

Males aggressively defend stream territories, clashing with rivals by displaying their ruby wing patches.