A HISTORY OF CORNWALL N. microtheriella has been bred from hazel leaves taken near Kilkhampton, N. betulicola from birch leaves about Bodmin, and N. plagicolella from blackthorn leaves from St. Burian. N. luteella has been obtained from the Upper Tamar district, and N. argentipedella has been raised from birch leaves from the same locality. Larvae of N. solids are in some seasons locally common about Liskeard and Truro, and have been recorded from Tean, Isles of Scilly. N. septembrella has with difficulty been raised from larvae in the leaves of St. John's wort taken near Newquay, and N. cryptella from the leaves of bird's-foot trefoil picked near Perranporth. N. subbimaculella was taken by Marshall in East Cornwall. Atmore found Opostega crepusculella frequently in Trevaylor Valley, near Penzance. Buc- culatrix nigricomella has with difficulty been bred from larvae on ox-eye daisies found at St. Clement, and B. crataegi from larvae on whitethorn from Little Canaan, Truro. Litbocolletis sylvella has been captured by beating maple bushes near Bodmin. L. cramerella is apparently widespread, but not common, except occasionally in the east of the county. L. alnlfollella has been bred from alder leaves taken near Launceston, and L. nigrescentella from leaves of Vicia sepium from near Liskeard. L. ulmifoliella and L. spinolella were recorded by Marshall from Botus Fleming. L. viminetorum and L. salicicolella have been bred from willow leaves gathered by the side of the Fowey, and L. pomifoliella from apple leaves taken at Nance, Truro. L. tormina/is was raised from larvae in the leaves of cultivated cherries gathered at St. Gurons, Bodmin. L. faginella is locally common all over the county, though less frequently found in the west than the east. L. coryli and its larvae seem to be everywhere plentiful. Larvae of L. querdfollella are widely distributed, and the moths are occa- sionally taken. L. messaniella has been bred from the leaves of Quercus ilex from St. Germans, and the mines of the larvae were noticed by Jenkinson at Scilly. L. viminiella is found over the greater part of the county, but is never very common. L. corylifoliella has been bred from apple leaves taken from trees at Nance, Truro, and L. nicellii from hazel leaves from Coomb Valley. L. froelichii was reported by Marshall from East Cornwall. L. schreberella has been bred at Newquay from elm. L. emberizipennella is widely spread on honeysuckle leaves in the larval stage, and the moth has been taken occasionally. L. tnfasciella is distributed all over the county, including Scilly. Ornix guttea is fairly common in gardens about Bodmin and Truro. 0. betulae has been taken near Launceston. 0. torquillella is sometimes plentiful about St. Burian. 0. anglicella and 0. avellanella are widely spread and have been bred from larvae. Corisdum sulphurellum has been taken between Launceston and North Hill. C. brongniardellum has been bred from oak leaves at Millook. Gradlaria alcbimiella is abundant in the east and locally common in the west of the county. Jenkinson has taken worn specimens of G. stigmatella from sallow at Scilly. G. elongella was recorded by Marshall from Botus Fleming. G. trlnglpennella has been bred from leaves of plantain at Truro, and was found by Jenkinson at Scilly. G. syringella is common in gardens at Liskeard and Bodmin. G. auroguttella has been reared from larvae in rolled leaves of St. John's wort from Hayle. Similar larvae have been seen at Pencalenick. Leucoptera laburnella is widely spread in the larval stage in the leaves of laburnum, and has been frequently bred. The moth is occasionally taken about Liskeard. L. spartifoliella has been taken about the Beacon at St. Agnes. L. sdtella was bred in 1891 from larvae in the leaves of mountain-ash from near Falmouth. Lyonetia clerkella has been reared from pupae on apple leaves at Callington, and has been recorded from Scilly. Phyllocnistis suffiisella has been bred from poplar leaves from Bodmin. Bedellia somnulentella was taken by Marshall in East Cornwall, and has been bred from leaves of convolvulus at Millook. T. complanella has been bred from oak leaves taken near Kilkhampton. T. margined is common, at least in the larval stage. A single specimen of Ocnerostoma piniariella was taken at Bishop's Wood in April, 1901. Cedestis gysseleniella has been recorded from East Cornwall by Marshall. Argyresthia dilectella was bred from juniper from the Liskeard district in 1891. A. brockeella and A. sorbiella have been obtained by Marshall at Botus Fleming. A. goedartella has been taken at Scilly by Jenkinson. A. pygmaeella and A. cornella are common by the Tamar and the Lynher. The latter also occurs at Lostwithiel. A. aurulenta has been taken near Cargreen. A. retinella is reported to be common in the Upper Tamar district. A. mendica is nowhere common, but occurs locally from Saltash to Penzance. A. spiniella is locally common on hcdgebanks as far west as Doublebois. A. ephippella has been bred from cherry shoots near Launceston. A. nitidella for the last four years has been the commonest county species. A. albistria is also very common, especially in the west. A. semi- testacella is locally plentiful in the east of the county. Swammerdamia combinella occurs in gardens about Bodmin. S. lutaria has been taken at least once near Looe. S. caenella is at times plentiful in the eastern districts, and is occasionally associated with S. pyrella. Acrolepia pygmaeana is apparently scarce, but has been bred from larvae on Solanum dulcamara. Fumea intermediella is common over the eastern half of the county and at Falmouth. One specimen of Naryda melanella has been reported from Heligan. Teichobia verhuellella is often common throughout the county about hart's-tongue fern, and in one favoured spot near Launceston was abundant in June, 1902, on a ceterach-covered bridge. Ochsenheimeria birdella was taken by Dale at Mousehole. Scythropia crataegella has been obtained by Tellam at Bodmin. Incurvaria muscalclla is recorded by Marshall from East Cornwall. Lampronia quadrtpunctella has been bred from larvae in rose shoots found in 226
