. Journal of horticulture, cottage gardener and country gentlemen . ar to die off atonce, it would be unfavourable to the continued existence ofthe species, since its nutriment is only the living pith. Nor,so far as my own observations go, do the shoots in which ithas penetrated die the year in which they have suffered; Ibelieve that they manage to put forth leaves the next season,and perhaps another. The Black Currant, it is notorious,suffers more from the attacks of this Clearwing than do theBed and White Currants. I have some suspicious that it mayoccasionally be found mining in the canes o
. Journal of horticulture, cottage gardener and country gentlemen . ar to die off atonce, it would be unfavourable to the continued existence ofthe species, since its nutriment is only the living pith. Nor,so far as my own observations go, do the shoots in which ithas penetrated die the year in which they have suffered; Ibelieve that they manage to put forth leaves the next season,and perhaps another. The Black Currant, it is notorious,suffers more from the attacks of this Clearwing than do theBed and White Currants. I have some suspicious that it mayoccasionally be found mining in the canes of the Kaspberry, asthe moths not unfrequently settle on Raspberry bushes. Whenit has once gained a footing ii) a garden this species is noteasily eradicated. In Chelsea it has been well known for manyyears, and some of the catliest recognised British specimenswere taken there. I have seen signs of its preyence, however,in vaiious market gardens about London. Many localitieshave been named throughout England and Scotland ; whetherit occurs in Ireland 1 cannot Sesia TiiiuUfonnis. I used to imagine that the eggs were deposited by the femaleson the terminal twigs, but recent observations do not confirmthis, the mines of the young caterpillars being seen in avariety of positions, and at all ages they may be found workingboth upwards and downwards in the shoots and boughs, it beingnoticeable that they prefer the latter as they increase in the commencement of the winter the caterpillars are small;they continue, however, to feed throughout the cold seasonwith little or no intermiesion. Under certain circumstancesthey will mine down a twig or branch which has been tenantedbefore by a more juvenile individual, or by an individual of thepreceding year; this is, however, unusual. Some tracks willbo found in which a caterpillar has worked along for a time, andthen turned and retraced its course. The external air thesecaterpillars have a decided objection to, nor do they everem
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