Small Grass Emerald

  • Small Grass Emerald
    Small Grass Emerald
  • Small Grass Emerald
    Small Grass Emerald
  • Small Grass Emerald
    Small Grass Emerald
  • Small Grass Emerald
    Small Grass Emerald
  • Small Grass Emerald
    Small Grass Emerald
  • Small Grass Emerald
    Small Grass Emerald

Scientific name: Chlorissa viridata

June to early July. A nationally scarce moth restricted to counties in southern England.

The wings are a dull green colour with a gold leading forewing edge and two fairly straight, white cross-lines. Similar to Little Emerald but a stronger green in colour.

The adults fly at night from dusk and are attracted to light. The caterpillars can be found from July to August before overwintering as pupae suspended by threads from the foodplant or in leaf litter.

Size and Family

  • Family – Emeralds (Geometridae)
  • Small Sized
  • Wingspan Range – 22-26mm

Conservation Status

  • UK BAP: Not Listed
  • Scarce (Nationally Scarce A)

Caterpillar Food Plants

Woody plants including Heather (Calluna vulgaris), Cross-leaved Heath (Erica tetralix), birches, Creeping Willow (Salix repens) and Gorse (Ulex europaeus)

Habitat

Damp heaths and mosses

Distribution

  • Countries – England
  • Nationally Scarce A. Found locally in Cornwall, Devon, Somerset, south-east Dorset, Hampshire, Surrey and Sussex along with one site in Cumbria. Previously recorded in Wiltshire, Gloucestershire and Worcestershire.