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In
Central Europe, light birch forests, bogs, as well as warm slopes and heaths with birch trees are the preferred habitat. In Central Europe the moths fly annually in a generation from mid-May to the end of June. They are nocturnal and also fly to artificial light sources. The caterpillars are found
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The moths reach a wingspan of 28 to 36 millimeters. They are distinctively patterned. All wings have a snow-white ground color. On the forewings there is a typical, clearly orange-yellow marking approximately in the form of a Y, framed by two other, smaller spots of the same colour. On the outer edge
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The egg is flat arched of white, yellowish or light green colour. The caterpillar is smooth with only a few hairs. It is yellow-green, with two dark green, yellowish dorsal lines, as well as black stigmas and golden yellow stripes above the feet. The head is dark green. The pupa is slender and
199:. It ranges from Western Europe (Ireland) to Hokkaido (Japan) being found in the northern part of Middle Europe, Northern Europe and Russia to the Amur region. In the western parts of the range it is a local and rare species. It is likely
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from mid-June to the end of August. They feed predominantly on the leaves of birch trees (Betula). Both the moths and the caterpillars prefer to stay in the treetops. Pupation takes place in a web on the earth. The pupa hibernates.
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in
Britain but a population was recently rediscovered in Ireland. The habitat requirements of the species are a bit unusual, it seems to prefer locally warm deciduous and mixed forests, where
274:"Robinson, G. S., P. R. Ackery, I. J. Kitching, G. W. Beccaloni & L. M. Hernández, 2010. HOSTS - A Database of the World's Lepidopteran Hostplants. Natural History Museum, London"
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of the forewings there are some small black dots. The lower wings at the inner edge have very fine white hairs.
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Figs. 5a larvae before last moult 5 5b larvae after last moult
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217:reported). The moth survives winter as a
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436:5853dccc-00b7-4598-9009-a00eb648b6c9
51:Mounted specimen with wings spread
590:Taxa named by Ignaz Schiffermüller
252:cylindrical, rounded at the end.
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207:, the sole host plant, forms the
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292:The Moths of the British Isles
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585:Taxa named by Michael Denis
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308:White prominent on UKmoths
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57:Scientific classification
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457:iNaturalist
104:Lepidoptera
564:Categories
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325:(in Dutch)
260:References
201:extirpated
129:Leucodonta
80:Arthropoda
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368:BioLib:
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354:Wikidata
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68:Animalia
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191:, is a
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410:LEUDBI
384:204469
296:online
214:Sorbus
209:canopy
187:, the
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470:IRMNG
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169:Denis
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529:NCBI
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379:BOLD
219:pupa
193:moth
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392:CoL
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