Mayfly · Aquatic insect
Claret Dun
Leptophlebia vespertina
Size
7–10mm
Hook size
#16–14
Hatch window
Season May–JulyPeak time 12:00–18:00
Water temperature
13° peak
9°19°
Hatches from 9°C, peaking at 13°C, tailing off by 19°C.How fish feed on it
An evening fall over the same dark water. Same visibility problem, same answer.
Flies that imitate this
Claret Dun
Pheasant Tail Spinner
Greenwell's Glory
Ecology
Where you'll find this
- British IslesPresent
- IberiaPresent
- The AlpsPresent
- ScandinaviaPresent
- Continental EuropePresent
- Atlantic fringePresent
Present throughout
Identification
Leptophlebia vespertina is a species of pronggill mayfly in the family Leptophlebiidae. It is found in Europe.