Lcpldoptera of Devon and CornwalL 
55 
Not an uncommon moth in some districts of England, but 
appears rare in the area now under notice. It has fallen under 
the observation of Mr. Dorville, at Fordlands, near Exeter ; and it 
has been taken at Wembury, near Plymouth; these places 
being the only localities at present recorded as habitats for this 
species, in the two counties. 
154. C. ridens, Fah. 
Noctua ridens, Fab. Maut. ii. 180. 
Ceropacha lidens, West. & Hum. Brit. Moth. i. 200, pi. 43, fig. 9-10. 
Cymatophora ridens, S taint. Man. i, 176. 
A rare insect. 
Ajjp. — May and June. 
Log. — Riverside, Plymbridge ; — Exeter, E. P. ; Great Torring- 
ton, Ent. Int. p. 30, 1856 ; Stokewood. Eev. Mr. Hellins. 
The larvcR are obtainable from oaks during August and Sep- 
tember. They have the peculiar propensity of eating not only 
other species of larvcB, but of devouring their own kind. These 
cannibal caterpillars should therefore be kept apart while trying 
to rear the imago. 
Family— BEYOPHILID.E, Gn. 
Gen. SRirOPHltA, Treit. 
155. B. perla, Schiff. 
Noctua perla, Schiff. Wien. Verz. 70. 
Bryophila perla, West. & Hum. Brit. Moth. i. 199, pi. 41, fig. 10.— Staint. 
Man. i. 177. 
It occurs in localities north, east, and west of Plymouth, but 
has only once been detected in that district. At Torquay and 
Barnstaple it is common, and in the region of Falmouth not 
scarce. 
App. — July. 
Loc— Torquay, R. B. R. ; Dr, B. ; Exeter, E. P. ; Barnstaple. 
G. F. M. : Falmourh, Fatm. Fal, : Plympton, J. S, D. ; Teigir 
mouth, Dr. J. 
