Cottonwood Stag Beetle vs Eastern Weighted Casemaker
Side-by-side species comparison
| Attribute | Cottonwood Stag Beetle | Eastern Weighted Casemaker |
|---|---|---|
| Scientific Name | Lucanus mazama | Goera stylata |
| Order | Coleoptera | Trichoptera |
| Family | Lucanidae | Goeridae |
| Size | 22-35 mm | 8-12 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Wood Feeders | Omnivores |
| Regions | Central and Southern United States | Europe |
| Conservation | Least Concern | Least Concern |
Cottonwood Stag Beetle
A medium-sized North American stag beetle found near river bottoms. Males have moderately large mandibles.
Did You Know?
They are most commonly found near cottonwood and willow trees along river corridors.
Eastern Weighted Casemaker
A caddisfly of clean European streams that builds mineral cases with large lateral ballast stones. Larvae scrape algae from rock surfaces in moderate current.
Did You Know?
The lateral ballast stones are so precisely placed they appear to be glued on by hand.