Phytomyza crassiseta

    Description

    The larva of the fly Phytomyza crassiseta mines the leaves of Germander Speedwell, Wood Speedwell and Heath Speedwell, producing a narrow mine which follows the leaf margin, then turns and forms a secondary blotch.

    Identification difficulty

    Adult Leafmine

    Habitat

    In areas where the larval foodplants occur.

    When to see it

    The mines can be seen in June-July and September-November.

    UK Status

    Widespread and fairly frequent in Britain.

    VC55 Status

    Rare or under recorded in Leicestershire and Rutland.

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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