Description: Wingspan 14-19 mm. Forewings light green with a noticeable dark v-shaped mark near the costal edge of the wing. There is also a small black mark on the top of the thorax and another along the costal edge. The hindwings are greyish white becoming darker towards the outer margin. The green colouration, as in other similar species fades fairly quickly after emergence. Double-brooded; from mid-April to late May and again from mid-July to late August. Skinner gives May and June and again from mid-July to mid-August as the normal flight period in Britain.

World Distribution: Eurasiatic; widespread across northern and central Europe, through Asia east to Japan.

Irish Distribution: Common and widespread across southern counties with scattered records from sites along the north coast.

Ecology: This species is associated with a variety of habitats including woodland margins, gardens and coastal grasslands. Adults come frequently to light in moderate numbers. The larvae feed throughout summer and autumn on a wide variety of plants including Elder Sambucus nigra, Bramble Rubus fruticosus, Traveller's Joy Clematis vitalba, Goldenrod Solidago virgaureaand Wild Angelica Angelica sylvestris. It overwinters as a pupa.

Key Identification Features:

• Black v-shaped mark on the forewing
• Small black mark on top of the thorax

Distribution Map from NBN: Chloroclystis v-ata at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Chloroclystis v-ata at iNaturalist World Species Observations database.