It is found throughout the Palearctic region and the Near East in and around deciduous forests, heathlands, marshland and in settlements close to woodland.

Bright green, the forewing usually with two lunulate-dentate white lnes, the hindwing with one, the lunules in the submedian area of forewing the thickest; both wings usually in addition with a faintly darker green cell-mark and some indistinct white intraneural spots distally to the postmedian line.

cuneata Burr, is characterized by a large wedge-shaped white spot adjoining the discal mark proximally in addition to the usual markings.-ab.

In the spring many become green, and they are wonderfully like the birch catkins among which they feed, various small protuberances and projecting edges of segments enhancing the resemblance.

The pupa is cylindrical, tapering regularly from the fourth abdominal segment to the anal extremity; spiracles and tubercles distinct, the latter dark-coloured, bearing short curved setae; anal armature consisting of 8 hooks; the generalolour is pale green, the wing-cases tinged with brown.

[1] [2] Hemistola chrysoprasaria, Thetidia smaragdaria, Campaea margaritata, Comibaena bajularia, Hemithea aestivaria and Hylaea fasciaria All lack the white, interrupted, jagged spot line on the wings.