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CANNABIS. Hemp. [Cannabaceae]

Hemp (Cannabis sativa) is an introduced plant to Britain. The polyphagous agromyzid Chromatomyia horticola is the only dipterous miner recorded from Cannabis in Britain. Elsewhere the agromyzids Agromyza reptans, Chromatomyia horticola and Liriomyza strigata are recorded mining Cannabis. No non-dipterous miners are recorded on Cannabis in Britain.

Key for the identification of the known Diptera mines in Britain.

1> Mine linear, whitish, both upper and lower surface. Pupation internal, at the end of the mine, Puparium whitsh, anterior spiracles projecting through the epidermis. Mine of Chromatomyia horticola on Papaver rhoeas. Image: Willem Ellis (Source: Nederlandse bladmineerders) Chromatomyia horticola (Goureau) [Agromyzidae].

Last updated 29-Jul-2008  Brian Pitkin

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