Caenis 'angler's curse'

Window

Typical: 15 Jun – 15 Aug (2026)

Latitude range

50-52°N

Tiny, drives surface fish mad. Match precisely or go subsurface.

Relevance to fishing

Tiny — size 24+ flies needed. Fish lock on so completely you can't get them on anything else. Dawn and dusk surface frenzy.

Phenology chain

Triggered by

• Foxglove flowering typically 7d before (range 0 – 21d)