Mayfly · Aquatic insect
Brown Drake
Ephemera simulans

Size
14–18mm
Hook size
#14–12
Hatch window
Season JunePeak time Dusk / after dark
Water temperature
16° peak
13°21°
Hatches from 13°C, peaking at 16°C, tailing off by 21°C.How fish feed on it
The spinner fall follows in near-darkness, and this is where the biggest fish of the year get caught by people fishing largely by ear.
Flies that imitate this
Ecology
Where you'll find this
- North America — EastPresent
Present throughout
Identification
Ephemera is a genus of mayfly in family Ephemeridae. It contains the following species:


