1955 Cabera pusaria (Common White Wave)

Geometridae, Ennominae Wingspan: 30-34mm.

A common species distributed throughout the UK, and widespread in Cornwall. One of two similar species, but they are usually easy to tell apart. Overall, the colours are a white background with three grey lines crossing. It is somewhat similar to 1956 Common Wave, but the cross lines on the forewings of this species are almost straight whereas the Common Wave lines are markedly curved.

The flight season in southern UK is defined as two generations, May / June, and late July / August. In Cornwall, it is more a broad peak centring June / July with no obvious dip in the population. Also, it is extended with individuals appearing in April and September.as well.