Davey, P., 2009: A rare species that is well established at Wicken Fen and Chippenham Fen and local in the Norfolk Broads. One or two eggs are inserted in the leaf sheath of common reed (Phragmites australis) and the resulting larvae then feed for nearly two years on the pith within reed stems. The insect spends a further month as a pupa remaining within the stem before emerging in June. Male adults are freely attracted to light, and females may occasionally be seen flying over the reed canopy... Read More

Recorded in 3 (8%) of 40 10k Squares. First Recorded in 1932. Last Recorded in 2023. (Data up to end 2023) Additional Stats

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