Colorado Leaf Beetle vs Northern Stonefly

Side-by-side species comparison

Attribute Colorado Leaf Beetle Northern Stonefly
Scientific Name Leptinotarsa juncta Nemoura arctica
Order Coleoptera Plecoptera
Family Chrysomelidae Nemouridae
Size 8-11 mm 6-10 mm
Habitat Deserts & Drylands Rivers & Streams
Diet Herbivores Herbivores
Regions Southeastern United States Arctic Scandinavia, Finland, northern Russia, Iceland, Arctic Canada
Conservation Least Concern Least Concern

Colorado Leaf Beetle

A close relative of the Colorado potato beetle with similar striped elytra but alternating dark and light brown stripes rather than black and yellow. It feeds on native horsenettle.

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Did You Know?

Unlike its notorious relative the Colorado potato beetle, this species has not adapted to crop plants and remains relatively harmless to agriculture.

Northern Stonefly

A small, dark brown stonefly with two long cerci at the tip of the abdomen. Adults hold their wings flat over the body. Nymphs develop in cold, well-oxygenated streams and are indicators of clean water.

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Did You Know?

Stonefly nymphs are so sensitive to pollution that their presence in a stream is used as an indicator of excellent water quality.