Lepidoptera of Devon and Cornwall 
109 
Gen. STZX.PNOTXA, Westiu. 
109. S. Salicis, Lin. 
Pkalcpna Salicis, Lin. Sys. Nat. ii. 822. 
Leucoma Salicis, \^^ood. Ind. Ent. t. 7, fig. 64. 
Stilpnoiia Salicis, West. & Hum. Broth. Moth. i. pi. 18, fig. 2-4.— Staint. 
Man. i. 134. 
Rare. 
App. — June. 
Zoc— Totnes ;— Exeter, E. P. ; Torquay, E, B. R. 
Has not hitherto been observed in the Plymouth district. 
Gen. FORTHSSIA, Steph. 
110. P. chrysorrhaea, Lin. 
Phalana ChrysorrhcEa, Lin. Sys Nat. ii. 822. 
Porthe»ia Auriflua, West. <fe Hnm. Brit. Moth. pi. 18, fig. 7-8. 
Porthesia ChrysorrhiPa, Staint. Man. i. 134. 
Local and rare. 
App. — August. 
Zoc— Torquay, Dr. B. ; R. B. R. 
The only known locality for this insect in Devonshire is Torquay, 
where. Dr. Battersby informs me, he has captured it. Notices of its 
occurrence in other places, in Devon and Cornwall, are much wanted. 
111. P. auriflua, Fah. 
Borahyx Auriflua,Yab. E. S. iii. 1,458. 
Porthesia Chrysorrha;a, West. * Hum. Brit. Moth. i. 90, pi. 18, fig. 9-11. 
Porthesia Auriflua, Staint. Man. 1. 135. 
Local. 
App. — August. 
Loc. — Torquay, Dr. B. 
Within the district of our local Fauna this, like the species next 
before, has occurred only at Torquay. 
Immunity from the presence of this insect among us is considered 
an advantage ; though the benefit of its absence from us, is perhaps 
overrated by some writers on the subject. The ravages committed 
by the larvae of this species on the foliage of various trees, particu- 
larly that of Hawthorn (Cratcegus orycantha)^ has at times been 
