Euphranta toxoneura

    Description

    A small fly with distinctive black wing markings.

    Identification difficulty
    Habitat

    Associated with various willows and most likely to be encountered where willows are present.

    When to see it

    Late spring and summer.

    Life History

    The larva lives in a gall of Pontania bridgmanii or Pontania proxima. The host larva is killed and emptied; the inquiline then feeds on the interior of the gall. The full grown larva leaves the gall and pupates in the soil.

    UK Status

    Widespread but not well recorded in Britain.

    VC55 Status

    Status in Leicestershire and Rutland not known.

    Leicestershire & Rutland Map

    UK Map