Elderberry Borer vs Pale Evening Dun
Side-by-side species comparison
| Attribute | Elderberry Borer | Pale Evening Dun |
|---|---|---|
| Scientific Name | Desmocerus palliatus | Heptagenia adaequata |
| Order | Coleoptera | Ephemeroptera |
| Family | Cerambycidae | Heptageniidae |
| Size | 18-26 mm | 8-12 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Root Feeders | Omnivores |
| Regions | Eastern North America from Quebec to Florida | Europe |
| Conservation | Least Concern | Least Concern |
Elderberry Borer
A striking longhorn beetle with cobalt blue wing covers and a bright yellow-orange base. Its larvae develop inside the stems and roots of living elderberry shrubs.
Did You Know?
Its vivid blue and yellow coloring is thought to mimic toxic net-winged beetles for protection from predators.
Pale Evening Dun
A flat-bodied mayfly whose nymphs press tightly against rocks in swift currents. Adults emerge at dusk during summer months.
Did You Know?
Its extremely flattened body allows it to resist currents that would sweep away most other insects.