| Common name | Green Dake |
| Genus / species | Hexagenia now Litobrancha recurvata |
| Nymph type | Burrowers |
| Emergence | May - July |
| Prefferd nymph habitat | Stream bottoms with soft muddy sandy/gravel bottom |
| Nymph Size | 17mm 22mm |
| Tails | 3 |
| Nymph Tied | Streamline |
| Nymph Most active | Dusk |
| Recommended Nymph Patterns | Green Drake Hares ear |
| Emerger Pattern | |
| Dun Pattern | Green Dake #6-8 |
| Spinner Pattern | |
| Streams identified in | |