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INULA. Ploughman's-spikenard, Golden-samphire and Irish Fleabane. [Asteraceae]

Ten species of Inula are recorded in Britain. These included the native Ploughman's-spikenard (I. conyzae), Golden-samphire (I. crithmoides) and Irish Fleabane (I. salicina). Three dipterous miners, the agromyzids Chromatomiya 'atricornis', Chromatomyia syngenesiae and Phytomyza conyzae, are recorded on Inula in Britain, and two of these also occur on Pulicaria in Britain. The agromyzid Melanagromyza eupatorii bores the stems of Inula in Britain and elsewhere. Elsewhere the polyphagous agromyzids Chromatomyia horticola, Chromatomyia syngenesiae, Phytomyza conyzae and Liriomyza strigata are recorded mining Inula. Elsewhere the agromyzid Napomyzxa lateralis is recorded boring stems of Inula. Four non-dipterous miners, are recorded on Inula in Britain (see below). Elsewhere one additional British non-dipterous miner is recorded on Inula (see below).

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 white or more rarely darker, brownish, with the anterior spiracles projecting through the epidermis. Mines of Chromatomyia atricornis on Sonchus olearaceus. Images: Willem Ellis (Source: Nederlandse bladmineerders) Chromatomyia 'atricornis' auctt. [Agromyzidae] and Chromatomyia syngenesiae [Agromyzidae]. ->An irregularly linear mine which can be both on the upper and lower leaf surface. Pupation takes place either at the end of the mine in an exit slit cut in the leaf or on the ground. Puparium black or dark brown Mine of Phytomyza conyzae on Pulicaria dysenterica. Image: Willem Ellis (Source: Nederlandse bladmineerders) Phytomyza conyzae Hendel [Agromyzidae].

Non-dipterous miners recorded on Inula in Britain Coleophora conyzae Zeller, 1868 Lepidoptera: Coleophoridae Coleophora follicularis (Vallot, 1802) Lepidoptera: Coleophoridae Coleophora inulae Wocke, 1877 Lepidoptera: Coleophoridae   Digitivalva perlepidella (Stainton, 1849) Lepidoptera: Acrolepiidae     Non-dipterous miners recorded on Inula in Britain Digitivalva pulicariae (Klimesch, 1956) Lepidoptera: Acrolepiidae

Last updated 20-Aug-2008  Brian Pitkin

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