Description: Wingspan 32-35mm. Adults are white with three distinct cross-lines across the forewings and two in the hindwings. Double-brooded, adults can be found from early May right through to mid-September.

World Distribution: Throughout Europe to eastern Siberia.

Irish Distribution: Common and widely distributed throughout all counties, especially Down, north Armagh and Fermanagh. It has also been recorded from Rathlin Island.

Ecology: A common species found on a wide variety of habitats especially woodland, bogs and suburban gardens. Adults come frequently to light in moderate numbers. It can also be disturbed from the foliage of trees and bushes during the day. The larvae can be found from June to September on a variety of trees including birch, willow Salix spp.., alder Alnus glutinosa, and oak Quercus spp. It overwinters in the pupal stage.

Key Identification Features:

• Ground colour white with three crosslines
• Similar species Common Wave

Distribution Map from NBN: Cabera pusaria at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Cabera pusaria at iNaturalist World Species Observations database.