Thin-neck Cave Beetle vs Angler's Curse Mayfly
Side-by-side species comparison
| Attribute | Thin-neck Cave Beetle | Angler's Curse Mayfly |
|---|---|---|
| Scientific Name | Pseudanophthalmus parvicollis | Caenis rivulorum |
| Order | Coleoptera | Ephemeroptera |
| Family | Carabidae | Caenidae |
| Size | 4-5 mm | 3-5 mm |
| Habitat | Caves | Rivers & Streams |
| Diet | Detritivores | Detritivores |
| Regions | United States | Europe |
| Conservation | Endangered | Least Concern |
Thin-neck Cave Beetle
A narrowly endemic cave beetle with a distinctively slender pronotum. It inhabits caves in the Appalachian karst region.
Did You Know?
Its narrow neck (pronotum) helps it squeeze through tiny fissures in cave rock.
Angler's Curse Mayfly
A tiny mayfly nicknamed for frustrating anglers who cannot imitate it on hook. Nymphs burrow in fine sediments of slow rivers and streams.
Did You Know?
At just a few millimeters long, trout feed on them voraciously but anglers struggle to tie flies small enough to match.