Habitat
- Fallow land
- Farm building and their surroundings
- Field boundary strips
- Xerophilous hillsides
- Xerophilous steppes
22-25 mm
Regional distr. - legend
- Local names
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Language Vernacular name 
ČeskyRudopásník šťovíkový 
DeutschKnöterich-Purpurspanner 
Eesti keelKirburohu-punavaksik 
EnglishPurple-barred Yellow 
FrançaisEnsanglantée des Renouées 
LietuviųTamsusis raudonsprindis 
MagyarBíborsávos araszoló 
NederlandsPurperspanner 
PolskiSudamek purpurek 
SlovenčinaPiadivka purpurová 
РусскийПяденица пурпурная 
УкраїнськаП'ядун пурпуровий 
中文双线红尺蛾
- Primary hostplants
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Family Latin name Vernacular name Polygonaceae Polygonum aviculare Common Knotgrass Polygonaceae Rumex Sorrel
- Links
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Language Website Authors Lepidoptera and their ecology Wolfgang Wagner Lepiforum e. V. Moths and Butterflies of Europe and North Africa Paolo Mazzei Plants parasites of Europe Willem N. Ellis Suffolk Moths Tony Prichard UK Moths Ian Kimber
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