295 
The situations where it is fouud tire sand-hills on 
the coast. 
The perfect insect appears in September and October. 
The caterpillar is of a light whitish colour, with a 
faint pink streak along the back; the head green. 
The date of the appearance of the caterpillar is in 
July, August, and September—September 1. 
It feeds on the flowers and seeds of the centaury 
(Erythrcea centaurea), and the seeds of the yellow wort 
( Chlora perfoliata). 
The chrysalis is of a pinkish colour on the body 
part, the wing coverings green. 
PTEROPHORUS HODGKINSONELLUS. 
Plate C XXXII. Figure 9. 
Localities for this species are near the u Stanley 
Arms,” Witherslack. 
The perfect insect appears in May and June. 
PTEROPHORUS ARIDUS. 
Plate CXXXII. Figure 10. 
Localities for this species are near Exeter and in 
the Isle of Man. 
The perfect insect appears in June and July. 
