Melanthia procellata
Melanthia procellata, the pretty chalk carpet, is a species of moth of the family Geometridae. It is found throughout Europe.
The wingspan is 27–32 mm. The moth flies from May to August.
Image:Buckler W The larvæ of the [British butterflies and moths PlateCXXXIX.jpg|thumb|140px|left|Fig.6 larvae after final moult]
The caterpillars feed on Clematis vitalba.