I encountered this beetle twice (5 & 11 July) on regenerating foliage of an Alder tree at decoy Heath Nature Reserve, in Berkshire. There were at least 5, no more than 6 or 7. It was not in my quite comprehensive guide to British insects, neither was it on the reserve species list. It used to be known as Chrysomela alni.
It was previously believed to be extinct in the UK and is still rare. It was introduced into the USA in the 19th century.
My observations were 6 days apart, nearly half the duration of their feeding period before entering diapause.
The NBN Atlas gives the nearest record as Pewsey, some 60km/30miles (estimated) from where I found it
Olympus EM-1, (aperture priority), Olympus 4/3 50mm f2 macro,F10 or f11, f8 for the plant, hand-held.
Harold






Crosseye stereos





It was previously believed to be extinct in the UK and is still rare. It was introduced into the USA in the 19th century.
My observations were 6 days apart, nearly half the duration of their feeding period before entering diapause.
The NBN Atlas gives the nearest record as Pewsey, some 60km/30miles (estimated) from where I found it
Olympus EM-1, (aperture priority), Olympus 4/3 50mm f2 macro,F10 or f11, f8 for the plant, hand-held.
Harold






Crosseye stereos




