Cottonwood Borer vs Skimmer Stonefly
Side-by-side species comparison
| Attribute | Cottonwood Borer | Skimmer Stonefly |
|---|---|---|
| Scientific Name | Plectrodera scalator | Acroneuria abnormis |
| Order | Coleoptera | Plecoptera |
| Family | Cerambycidae | Perlidae |
| Size | 25-40 mm | 20-30 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Root Feeders | Predators |
| Regions | Central and eastern United States | Eastern North America |
| Conservation | Least Concern | Least Concern |
Cottonwood Borer
A large longhorn beetle with bold black and white patterning and long antennae. Its larvae bore into the roots and lower trunks of cottonwood and willow trees.
Did You Know?
When handled, it produces a loud squeaking sound by rubbing parts of its thorax together.
Skimmer Stonefly
A large predatory stonefly widespread in eastern North American rivers. Adults skim across the water surface during egg-laying flights.
Did You Know?
Female skimmer stoneflies bounce across the water surface while releasing eggs, appearing to skip like a stone.