Yellow Drake Mayfly vs Mydas Fly
Side-by-side species comparison
| Attribute | Yellow Drake Mayfly | Mydas Fly |
|---|---|---|
| Scientific Name | Ephemera lutea | Gauromydas heros |
| Order | Ephemeroptera | Diptera |
| Family | Ephemeridae | Mydidae |
| Size | 18-25 mm | 40-60 mm body |
| Habitat | Rivers & Streams | Forests |
| Diet | Detritivores | Detritivores |
| Regions | North America | South America |
| Conservation | Least Concern | Data Deficient |
Yellow Drake Mayfly
One of the largest mayflies in eastern North America with a pale greenish body. Nymphs live in burrows in the silty bottoms of clean streams.
Did You Know?
Adults live only a few hours but their emergence creates one of the most anticipated fishing events of the year.
Mydas Fly
The largest fly in the world at up to 60 mm long with a 100 mm wingspan. A wasp mimic with black body and orange-red markings. Larvae develop in ant nests.
Did You Know?
At 6 cm long with a 10 cm wingspan, this is the worlds largest fly — it mimics a spider wasp so convincingly that even entomologists can be fooled at first glance.