Reed-stem Borer

Calameuta filiformis


Body length 7 - 9mm. A long-bodied species that is mainly black with thin yellow bands on the abdomen and yellow legs.


Marshy meadows and reed beds. The adults can often be seen feeding on the pollen and nectar of buttercups and the larvae feed within the stems of grasses and reeds.

Status and distribution

Common and widespread in the southern half of Britian. Common in Nottinghamshire and at Netherfield Lagoons.

Best time to see

May to June.