| ADULT |
Wingspan - 35 - 55mm. This is an easily identifiable sexually dimorphic species with the overall size being quite distinct. The male (Fig 1) has a yellow thorax, long grey wings that are striped black at the basal edge. The female has yellow wings that have two dark brown spots on each. |
| CHRYSALIS |
Hibernates in this stage in a weak cocoon. |
| LARVA |
Feeds on lichens. |
| BEHAVIOUR |
Attracted to light, sugar and flowers. |
| HABITAT |
Coastal areas with plenty of lichens. |
| FLIGHT PERIOD |
Single brooded. July to September. |
| STATUS |
Resident and immigrant in Southern Britain. |
