Dark Hendrickson Mayfly vs Strong Casemaker Caddisfly
Side-by-side species comparison
| Attribute | Dark Hendrickson Mayfly | Strong Casemaker Caddisfly |
|---|---|---|
| Scientific Name | Leptophlebia cupida | Odontocerum albicorne |
| Order | Ephemeroptera | Trichoptera |
| Family | Leptophlebiidae | Odontoceridae |
| Size | 8-12 mm | 12-18 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Detritivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Dark Hendrickson Mayfly
A dark-bodied spring mayfly important to trout anglers in the Northeast. Nymphs inhabit leaf packs and debris in slow to moderate stream sections.
Did You Know?
It often emerges alongside Ephemerella subvaria, and the two species together form the famed Hendrickson hatch.
Strong Casemaker Caddisfly
A caddisfly that builds smooth, slightly curved sand-grain cases up to 20 mm long. Larvae inhabit cool, clean streams with gravel and cobble substrates.
Did You Know?
The cases are so precisely constructed they were once thought to be the work of marine worms rather than insects.