UKMoths Psychoides verhuella - Distribution map
Please note that the NBN Gateway map service has been terminated as of 1 April 2017.
As soon as a replacement map service is available, distribution maps will hopefully appear here again.
In the meantime, you can get some idea of distribution from the NBN Atlas website.
12.047 BF199
Psychoides verhuella
Bruand, 1853
Wingspan 9-12 mm.
Larva mines mature fern frond with well developed sporangia, usually Phyllitis scolopendrium (Hartstongue fern), and makes case (vacant when larva in frond) resembling displaced sorus (spore body). Aug.-June, most prominent April-May.
Larva (early and late instars) has black head, prothoracic shield and anal plate, which distinguish it from the other fern frond species, P. filicivora.
Pupal case, May-June, has sharp crest when unworn.
Imago, June-July, often has a violet reflection. It lacks the white tornal spot of P. filicivora
Most frequent in Wales and W. England, including Salop,Flints.,Denbighs.,Caerns.
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