This is a small moth, not very commonly found in
Teneriffe. It is met with by day along the coast, and
up to an altitude of 2000 feet or more in rough rocky
places, in April and up to June or July. The prevailing
colour is a blue-grey. The fore-wings have a large
square patch of white on the upper margin, and a
smaller dot of the same colour towards the middle. The
hind-wings are fringed with white, and have two or
three patches of the same colour along their margins.
In the male, the white on both wings is increased
towards the base. It is not an English species, but is
found in Europe and along the Mediterranean. The
larva is a green or brownish grey, with three dark
double lines on the thoracic segments; tufted, and with
a white line on the back on segments 5 to 7, and with a
dark stripe on the back, and a whitish line on the sides
of the remaining segments.