Mayfly · Aquatic insect
Small Spurwing
Centroptilum luteolum
Size
4–6mm
Hook size
#18–16
Hatch window
Season June–OctoberPeak time 16:00–20:00
Water temperature
14° peak
9°20°
Hatches from 9°C, peaking at 14°C, tailing off by 20°C.How fish feed on it
A thin evening fall. Flush in the film, as with the rest of this group.
Flies that imitate this
Tups Indispensable
CDC Olive Emerger
Ecology
Where you'll find this
- British IslesPresent
- IberiaPresent
- The AlpsPresent
- ScandinaviaPresent
- Continental EuropePresent
- Atlantic fringePresent
Present throughout
About the genus Centroptilum
Centroptilum is a genus of mayflies of the Baetidae family.