Family Geometridae Rank Species | Genus Lythria Order Butterflies and moths | |
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Similar Lythria, Butterflies and moths, Lythria cruentaria, Minoa murinata, Essex emerald | ||
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.
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 .
References
Lythria purpuraria Wikipedia(Text) CC BY-SA