Lake Olive - Cloeon simile


There are two species of Cloeon mayflies in Britain: C. dipterum and C. simile. They are best distinguished by their wing venation.


Around still waters with C. simile preferring larger expanses of water and is seldom found in small pools where C. dipterum is more likely to occur.

When to see it

Peak in July and August.

UK Status

Common and widespread in Britain.

VC55 Status

Common in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map