Common White Wave Geometridae

Cabera pusaria (Linnaeus, 1758)

Description: Wingspan 32-35mm. Adults are white with three distinct cross-lines across the forewings and two in the hindwings.

Similar Species: It is similar in appearance to the Common Wave C. exanthemata, which has an overall greyer appearance; the outer cross-line is also curved inwards towards the costal edge of the forewing.

Key Identification Features:

Sets:  male upperside

Flight Period: Double-brooded, adults can be found from early May right through to mid-September.

Status: 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.

World Distribution: Throughout Europe to eastern Siberia.

Bradley & Fletcher number: 1955 Agassiz number: 70.277

Additional information:

UK Moths account


 Thompson, R. S. & Nelson, B., 2003 (Oct 2). [In] The Butterflies and Moths of Northern Ireland