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Coleophora potentillae Elisha, 1885 [Lepidoptera: Coleophoridae]. Coleophora potentillae Elisha, 1885. Ent. mon. Mag. 21: 254.

Leaf-miner and case-bearer: The case resembles that of C. violacea, but does not lie so flat again the leaf as this species (having a mouth angle of 30 to 50°). C. violacea also has a case which bulges in the middle, whereas in C. potentillae the case tapers towards the posterior (British leafminers). Immediately after emergence the larva makes a full depth, quickly widening, corridor, with frass as small grains in a broad central band. Finally results a blotch of 2 x 5 mm, from which the youth case is cut. The fully developed case is a hairy, greyish brown to silver grey lobe case of about 1 cm long, with a clearly laterlly compressed end; the mouth angle is about 90°. The case is difficult to separate from the one of C. ochripennella (Bladmineerders van Europa). Mines of Coleophora potentillae on Sanguisorba minor Image: Willem Ellis (Bladmineerders van Europa) Larva: The larva is described and illustrated in Bladmineerders van Europa. Pupa: Details unknown. Adult: Not illustrated in UKMoths (check for update). The genitalia are not illustrated by the Lepidoptera Dissection Group (check for update). Hosts in Britain: Betulaceae     Betula     British leafminers Betula     Pitkin & Plant Rosaceae       Agrimonia     British leafminers Agrimonia     Pitkin & Plant Crataegus     British leafminers Crataegus     Pitkin & Plant Filipendula ulmaria Meadowsweet British leafminers Filipendula ulmaria Meadowsweet Pitkin & Plant Fragaria vesca Wild Strawberry British leafminers Fragaria vesca Wild Strawberry Pitkin & Plant Geum     British leafminers Geum     Pitkin & Plant Helianthemum     British leafminers Helianthemum nummularium Common Rock-rose Pitkin & Plant Potentilla     British leafminers Potentilla     Pitkin & Plant Prunus spinosa Blackthorn British leafminers Prunus spinosa Blackthorn Pitkin & Plant Rosa     British leafminers Rosa     Pitkin & Plant Rubus     British leafminers Rubus caesius Dewberry Pitkin & Plant Rubus fruticosus Bramble Pitkin & Plant Salicaceae       Salix cinerea Grey Willow Pitkin & Plant Hosts elsewhere: Betulaceae       Betula     Belgian Lepidoptera Betula     Bladmineerders van Europa Rosaceae       Agrimonia     Belgian Lepidoptera Agrimonia     Bladmineerders van Europa Filipendula     Belgian Lepidoptera Filipendula ulmaria Meadowsweet Bladmineerders van Europa Fragaria     Belgian Lepidoptera Fragaria vesca Wild Strawberry Bladmineerders van Europa Geum     Belgian Lepidoptera Geum     Bladmineerders van Europa Helianthemum     Belgian Lepidoptera Helianthemum nummularium Common Rock-rose Bladmineerders van Europa Malus sylvestris Apple   Potentilla     Belgian Lepidoptera Potentilla     Bladmineerders van Europa Prunus     Belgian Lepidoptera Prunus     Bladmineerders van Europa Ribes     Belgian Lepidoptera Ribes     Bladmineerders van Europa Rosa     Belgian Lepidoptera Rosa     Bladmineerders van Europa Rubus     Belgian Lepidoptera Rubus     Bladmineerders van Europa Sanguisorba     Belgian Lepidoptera Sanguisorba     Bladmineerders van Europa Spiraea     Belgian Lepidoptera Spiraea     Bladmineerders van Europa Salicaceae       Salix     Belgian Lepidoptera Salix cinerea Grey Willow Bladmineerders van Europa Time of year - larvae: September - May (British leafminers). Time of year - adults: Unknown. Distribution in Great Britain & Ireland: British Is. (Karsholt & van Nieukerken in Fauna Europaea) including Northampton (Bozeat, Horn Wood) (British leafminers), Cambridge, Clyde Isles, East Cornwall, East Kent, East Sussex, Hereford, Herts, Hunts, Isle of Wight, Mid Ebudes, North Ebudes, North Hants, South-west York and Surrey (NBN Gateway distribution map - BRERC, JNCC, NE and SNH). Also recorded in the Republic of Ireland (Karsholt & van Nieukerken in Fauna Europaea). NBN Grid map: Distribution elsewhere: Widespread in Europe including Belgium, Czech Republic, Danish mainland, Estonia, Finland, French mainland, ? Germany, Latvia, Norwegian mainland, Poland, Sweden and the Netherlands (Karsholt & van Nieukerken in Fauna Europaea). NBN interactive distribution maps of known host species in Britain and elsewhere: Filipendula ulmaria, Fragaria vesca, Helianthemum nummularium, Malus sylvestris, Prunus spinosa, Rubus caesius, Rubus fruticosus, Salix cinerea Parasitoids in Britain and elsewhere: Unknown.

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Last updated 17-Aug-2010  Brian Pitkin