Dasineura thomasiana

    Description

    The larvae of the gall midge Dasineura thomasiana cause galls on various species of Lime. Young terminal leaves are rolled and distorted, the veins thickened. The larvae are initially white, becoming orange-red when mature. 

    Identification difficulty

    Adult Gall

    Recording advice

    Adult: Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.  

    Gall:  Please supply a photograph of the galled leaves with your record and state the host species.

    Habitat

    Galls may be found wherever Lime species occur.

    When to see it

    Galls may be recorded whenever Lime species are in leaf.

    Life History

    Pupation occurs in the soil.

    UK Status

    Status in Britain is difficult to determine due to lack of records.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map