Over all length 7 to 9mm. A very domed shape and heavily pitted elytra make this a fairly distinct beetle The entire beetle is black with a metallic purple, blue or bronze reflection.
The adults and larvae feed on various Apiacaea, including Cow Parsley, Hogweed and Ground Elder.
Status and distribution
Fairly widespread in southern England with a lot of records coming from the Midlands and some records from Wales. Infrequent in Nottinghamshire and recorded once at Netherfield Lagoons.
Best time to see
All year. Most active in April or May.