Mayfly · Aquatic insect
Eastern Green Drake
Ephemera guttulata
Size
16–20mm
Hook size
#12–10
Hatch window
Season May–JunePeak time Evening into dark (Coffin Fly after dark)
Water temperature
15° peak
12°20°
Hatches from 12°C, peaking at 15°C, tailing off by 20°C.How fish feed on it
The coffin fly: white-bodied, spent, and falling at dusk. Its own distinct piece of fishing, and traditionally tied a size larger than the dun rather than smaller.
Flies that imitate this
Green Drake (Eastern)
Coffin Fly
Green Drake Cripple
Extended-body Green Drake
Ecology
Where you'll find this
- North America — EastPresent
Present throughout
Identification
Ephemera guttulata or the Eastern Green Drake is a species of mayfly in the genus Ephemera . The Eastern Green Drake is native to the continental United States and Canada. Its conservation status per the NatureServe conservation status ranking system is G5, meaning it is secure.