Burrowing Mayfly vs Large Dark Olive Mayfly
Side-by-side species comparison
| Attribute | Burrowing Mayfly | Large Dark Olive Mayfly |
|---|---|---|
| Scientific Name | Hexagenia limbata | Baetis rhodani |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemeridae | Baetidae |
| Size | 18-32 mm body | 6-10 mm |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Burrowing Mayfly
Creates massive synchronized emergences so dense they appear on weather radar. Billions emerge simultaneously from lake bottoms where nymphs burrowed for up to two years.
Did You Know?
Mayfly emergences along the Mississippi River are so massive they show up on Doppler weather radar — billions of insects rising simultaneously look like approaching thunderstorms.
Large Dark Olive Mayfly
The most common European mayfly, emerging year-round in many rivers. It is a small olive-brown species that serves as a staple food for stream fish.
Did You Know?
This mayfly can produce up to three generations per year, making it available as fish food in every season.