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Lythria purpuraria
Species of moth From Wikipedia, the free encyclopedia
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Lythria purpuraria, the purple-barred yellow, is a species of moth of the family Geometridae. It is found from western Europe to Siberia, Russia, Ukraine, Turkmenistan and Kazakhstan.
Lythria purpuraria generally have two red-purple transverse lines in their green-yellow forewings. They are often confused with L. cruentaria, a sister species in the same family. This is because they are both available in a variety of sizes with multiple wing patterns.[1] L. purpuraria and the other four species within the Lythria family have a very difficult genitalia structure, which is complicated to analyze and study.[2]
Adults are on wing from April to June and again from July to September. It is a day-flying species. There are two generations per year.
The larvae feed on prostrate knotweed, also known as Polygonum aviculare.[3]
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