INSECTS 



recorded from Cornwall by Jenner Fust, but has since been taken singly at Altarnun, Lostwithiel 

 and Swanpool, Falmouth. H. albicillata was found in East Cornwall by Marshall, and has been 

 obtained lately near Wadebridge. H. unangulata is not uncommon in woods and old hedgebanks 

 throughout the county. H. taeniata has evidently been recorded in error ; there is no specimen 

 in any available county collection. H. unifasciata has been captured between Launceston and 

 Altarnun, and near Kilkhampton. H, alcbemillata is widely distributed along the south coast and 

 has been bred at Newquay from larvae on Galeapsis tetrahit. H. affinitata is widespread and often 

 abundant, but has not been recorded from Scilly. H. decokrata is widely distributed, but in very 

 variable numbers throughout the county ; it has been taken at Scilly by Adkin. H. albulata is 

 sparingly distributed in the south-east, and has been taken on yellow rattle near St. Columb. 

 H. procellata was recorded by Marshall from East Cornwall, and a solitary example was captured in 

 July, 1904, at Drayne's Wood near Liskeard. H. bilineata is widespread and often abundant. It 

 was very common at Tresco, Scilly, in July, 1903. H. fluviata was taken by Messrs. Marquand 

 near Penzance. H. polygrammata was captured by Marshall in East Cornwall. Pelurga comitata 

 was recorded by Tellam from Bodmin, and by A. H. Jenkin from West Cornwall. 



Operophtera irumata, the winter moth, is perhaps the most injurious of all the British orchard 

 pests. In Cornwall for the past seven years at least it has done comparatively little damage, but as 

 it is generally distributed throughout the county it might suddenly become a grave menace to the 

 fruit-growing industry should a season come round when it was specially favoured by heat and 

 drought. In 1887 several orchards in the Penzance district suffered severely, and the blighted scorched 

 appearance presented by some neglected apple trees in the Truro district in 1902 formed an im- 

 pressive object lesson. Grease-banding the trees in the early autumn, so as to prevent the ascent of 

 the wingless females, is the most effective of the various preventative measures in occasional use. 



Euchoeca luteata appears to be confined to the eastern half of Cornwall. It was first recorded 

 by Marshall, but has been found subsequently at Launceston, Calstock, and in the middle reaches of 

 the Lynher valley. A single specimen was taken near Newquay in 1900. E. obliterata is at times 

 not uncommon on alder in the east, and has been taken as far west as Pendarvis, Camborne. E. 

 sylvata is very local, but occurs in several of the woods near the Tamar, and has been taken at 

 Altarnun and above Liskeard. Asthma candidata is also apparently confined to the east of the 

 county, where it is taken sparingly in sylvan glades and ' twixt wood and field.' A. dilutata 

 is occasionally captured in woods and old country lanes. It is widely distributed, but usually 

 scarce. 



Jenner Fust is the only entomologist who has obtained Xanthorhoe vlttata in the county. 

 X. cervinata has been taken sparingly along the south and at Newquay and Bude on the north coast. 

 X. limitata appears to be common in gardens everywhere. X. plumbaria is fairly plentiful as a rule 

 on rough cliff-land and on open downs. It has been captured at Scilly by Jenkinson. X. bipunc- 

 taria occurs sparingly about Saltash, and has been taken at Looe and Liskeard. X. multistrigaria 

 is local and scarce. It was recorded by A. H. Jenkin from the west, and three specimens were 

 taken near Liskeard in 1904. X. didymata is wide-spread and at times common. X. ferrugata is 

 generally distributed and in most districts plentiful. X. designata is found in woods throughout the 

 county, but has been noticeably scarce since 1902. X. montanata is widely spread and often plentiful. 

 X.fluctuata is common almost every where. Two specimens of X, salicata have been taken at different 

 times close to Bude ; they are both in perfect condition. X. olivata is local and very irregular in 

 its appearance, and though usually very scarce will without apparent reason become quite plentiful 

 locally. In 1900 it was very common at Newquay, and in 1904 at Mevagissey. X. viridaria is 

 usually abundant in open woods and rough scrubby land. A single example of the rare and local 

 Rhodometra sacraria was taken at Looe in August, 1904. 



STERRHIDAE 



Eois rusticata is said to have been taken at Rame Head, but there is no recent record. E. vir- 

 gularia is not uncommon in the east of the county and has been taken singly at Truro, Falmouth, 

 Godolphin and Penzance. E. dllutaria is very erratic in its appearance. In 1886 it was reported 

 by Atmore as common about Penzance, but only two specimens have been taken there since. In 

 some years it is fairly plentiful in the east, but in 1900, and again in. 1904 and 1905, not a single 

 example was obtained. In 1902 it was occasionally captured at Newquay. E. subsericata is not 

 uncommon about Looe and has been taken at Liskeard, Bodmin, and once at Penzance. E. aversata 

 is common throughout the county and at Scilly. The banded form (var. spoliata, Stgr.) occurs 

 occasionally. E. emarginata is local and seems to be for the most part confined to the eastern 

 districts. E. dimidiata is not uncommon in places along the south, and has been taken at Launceston 

 and Newquay. E. trigeminata has been recorded from Bodmin by Tellam, from Penzance by 

 Baily, and from Scilly by Adkin. E. bisetata is not uncommon in and about woods and deep lanes 

 with overgrown banks. In 1903 it was plentiful at Tresco. 



213 



