An endangered Red Data Book species found on south-facing hillsides, undercliffs and rocky areas, by the sea, along a short strip of coastline between Charmouth, Dorset, and Sidmouth, Devon. Unlikely to be recorded in Hampshire or on the Isle of Wight. Wingspan male 27-33 mm, female 24-28 mm. Has been confused in the past with Concolorous C. extrema
, but C. morrisii
is larger, with costa more arched, and lacks the ochreous hue of C. extrema
. Larva feeds on Tall Fescue.