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POLYSTICHUM. Shield-ferns and Sword-fern. [Aspleniaceae]

Four species of Polystichum are recorded in Britain. These include the native Hard Shield-fern (P. aculeatum), Holly-fern (P. lonchitis) and Soft Shield-fern (P. setiferum). Holly-fern (P. lonchitis) is protected in Northern Ireland under Schedule 8 of the Wildlife (Northern Ireland) Order, 1985. No dipterous miners are recorded on Polystichum in Britain. Elsewhere the anthomyiid Chirosia histricina is recorded mining Polystichum. Two non-dipterous miners are recorded on Polystichum elsewhere.

Non-dipterous miners recorded on Polystichum in Britain Psychoides filicivora (Meyrick,1937) Lepidoptera: Tineidae   Psychoides verhuella Bruand, 1853 Lepidoptera: Tineidae

Last updated 09-Sep-2008  Brian Pitkin

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