White-Gloved Howdy vs American Sand Mayfly
Side-by-side species comparison
| Attribute | White-Gloved Howdy | American Sand Mayfly |
|---|---|---|
| Scientific Name | Isonychia sadleri | Dolania americana |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Isonychiidae | Behningiidae |
| Size | 12-16 mm | 10-15 mm body |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
White-Gloved Howdy
Named for the white tips of its forelegs resembling gloves. Nymphs are powerful swimmers found in fast-flowing Appalachian streams.
Did You Know?
The distinctive white-tipped forelegs are visible even in flight, giving rise to the fanciful common name.
American Sand Mayfly
Holds the record for the shortest adult lifespan of any insect — females live less than five minutes as adults, just long enough to mate and lay eggs before dying.
Did You Know?
Female Dolania americana mayflies live less than five minutes as adults — they emerge, mate, lay eggs, and die faster than most people take a coffee break.