Perizoma blandiata
Perizoma blandiata, the pretty pinion, is a moth of the family Geometridae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It is found from most of central and northern Europe to central Asia as far as the Khangai Mountains. The wingspan is 19–23 mm. It is related to "P. minorata" but with the band between the basal and median obsolete or very shadowy (extremely pale brown) the median band very dark anteriorly but pale in the middle, except on the veins, the hindwing rather more strongly marked. — ab. "coarctata" Prout has the median  band narrowed to a mere thread. — "perfasciata" form. nov [Prout]. has the median band dark throughout and appears to form a constant local race in the Hebrides. The species is found on moors and other open places. There is one generation per year with adults on wing from the end of July to August. The larvae feed on "Euphrasia" species. The eggs are deposited on or near the flower buds. The larvae can be found from July to September. It overwinters as a pupa.