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12.048 Psychoides filicivora (Meyrick,1937)
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feeding in the sporangia


Food Plant: Polystichum setiferum (Soft shield-fern), Dryopteris filix-mas (Male-fern), Phyllitis scolopendrium (Hart's tongue), Asplenium adiantum-nigrum (Black spleenwort) , A.trichomanes (Maidenhair spleenwort), Polypodium hesperium (Western Polypody)

Mine: throughout the year

Notes: P. filicivora appears to be continuously brooded, as larvae have been found in all months of the year. They usually feed on the underside of a fern frond under an untidy mass of sporangia, but on occasion, enter the leaf to make an extensive irregular blotch mine. Initially, filicivora occurred mainly near coasts, but it is increasingly recorded inland. This is the first record on Polypodium hesperium (Western Polypody).

Data: 15.ix.2019, Manor Heath Park, Halifax, West Yorkshire, VC63

Image:© Charlie Streets

sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists