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Lyonetia prunifoliella (Hübner, 1796) [Lepidoptera: Lyonetiidae]. Tinea prunifoliella Hübner, 1796. Europ. Schmett. Tinea: 70. Lyonetia prunifoliella (Hübner, 1796).

Leaf-mine: The larva mines the leaves of various roseaceous trees, such as blackthorn and apple, forming a gallery leading to a blotch (UKMoths). Eggs are deposited in the underside of a leaf, well away from the margin, often several per leaf. Around the oviposition site a cavity develops that in the end often leaves a hole in the leaf. Then a narrow, hardly widening, winding corridor, largely filled with a broad reddish brown frass line. The corridor abruptly widens into a wide, full depth blotch, that often lies against the leaf margin. The larva may leave its mine and continue elsewere, even on a different leaf. Note that the first blotch may already lie on a different leaf. Frass dispersed, in oval granules. Most frass is ejected through semicircular cuts along the outer limit of the blotch; part of it is often trapped in strands of silk under the leaf (Bladmineerders van Europa). Mines of Lyonetia prunifoliella on Prunus spinosa Images: Willem Ellis (Bladmineerders van Europa) Larva: Whitish (also head and thoracic feet), less slender than the one of L. clerkella. The larva is described by Grandi (1931a, 1933a) and Schmitt, Brown & Davis (1996a) (Bladmineerders van Europa). Pupa: The pupal cocoon is suspended from silken 'guy ropes' and closely resembles that of L. clerkella (UKMoths). Adult: The adult is illustrated in UKMoths. The genitalia are not illustrated by the Lepidoptera Dissection Group (check for update). Hosts in Britain: Betulaceae       Betula     Pitkin & Plant Rosaceae       Chaenomeles japonica Japanese quince Pitkin & Plant Crataegus     Pitkin & Plant Cydonia oblonga Quince British leafminers Malus     Pitkin & Plant Malus     UKMoths Prunus     Pitkin & Plant Prunus spinosa Blackthorn UKMoths Sorbus     Pitkin & Plant Hosts elsewhere: Betulaceae       Betula pendula Silver Birch Bladmineerders van Europa Betula pubescens Downy Birch Bladmineerders van Europa Rosaceae       Chaenomeles japonica Japanese quince Bladmineerders van Europa Cotoneaster integerrimus Wild Cotoneaster Bladmineerders van Europa Crataegus monogyna Hawthorn Bladmineerders van Europa Cydonia oblonga Quince Bladmineerders van Europa Mespilus germanica Medlar Bladmineerders van Europa Prunus armeniaca Apricot Bladmineerders van Europa Prunus cerasifera Cherry Plum Bladmineerders van Europa Prunus dulcis Almond Bladmineerders van Europa Prunus mahaleb St Lucie Cherry Bladmineerders van Europa Prunus persica Peach Bladmineerders van Europa Prunus spinosa Blackthorn Bladmineerders van Europa Pyrus communis Pear Bladmineerders van Europa Sorbus     Bladmineerders van Europa Time of year - larvae: Details unknown. Time of year - adults: The adult moths fly in September, and overwinter, appearing again in the spring (UKMoths). Distribution in Great Britain & Ireland: Formerly locally resident in parts of southern and central England (UKMoths) including South-west York, Surrey and West Kent (NBN Gateway distribution map - JNCC and NE). This moth seems to have died out as a British species and has not been reliably encountered since around 1900 (UKMoths). NBN Grid map: Distribution elsewhere: Widespread in Europe including Austria, Belgium, Croatia, Czech Republic, Finland, French mainland, Germany, Greek mainland, Hungary, Italian mainland, Latvia, Lithuania, Macedonia, Norwegian mainland, Poland, Romania, Russia - Central, East and Northwest, Slovakia, Sweden, Switzerland, The Netherlands, Ukraine and Yugoslavia (Karsholt & van Nieukerken in Fauna Europaea). NBN interactive distribution maps of known host species in Britain and elsewhere: Betula pendula, Betula pubescens, Chaenomeles japonica, Cotoneaster integerrimus, Crataegus monogyna, Cydonia oblonga, Mespilus germanica, Prunus armeniaca, Prunus cerasifera, Prunus dulcis, Prunus mahaleb, Prunus persica, Prunus spinosa, Pyrus communis Parasitoids in Britain and elsewhere: Cirrospilus vittatus Walker, 1838 Hymenoptera: Eulophidae

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Last updated 27-Aug-2010  Brian Pitkin