. Das Buch der Garten. Im Garten arbeiten. WHITH - BHOULDKRED WOLLE - MOTH. Sie fragen nach der Transfor- mation, sind häufig durch die caterpil belegt - lar der Weißen-sollte-ihre Wolle - Moth, Tinea aarcitella, Abb. 10, dem bekannten inländischen Pest, die ihre Eier auf alle Weise der kammgarn Futtermitteln festgelegt, zum großen Ärger von jeder sparsame Hausfrau. Sie sind oft in den Samen der Pease und Bohnen gefunden, und in der Gesellschaft, und die bruchus granwrius larvse für eine Spezies von saw-fly, traurig, Zerstörung der Lager. Die bruchus granarius ist somit in der "Gärtner" beschrieben, v

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. The book of the garden. Gardening. WHITH-BHOULDKRED WOOL-MOTH. it issues after its transfor- mation, are frequently occupied by the caterpil- lar of the white-shoul- dered wool- moth, Tinea aarcitella, fig. 10, the well- known domestic pest, which lays its eggs on all manner of woollen stuffs, to the great annoyance of every thrifty housewife. They are often found in the seeds of pease and beans, and, in company with the Bruchus granwrius, and the larvse of a species of saw-fly, work sad destruction in the stock. The Bruchus granarius is thus described in the " Cottage Gardener, " vol. iii. p. 13:—" These holes in the peas and beans are made by this beetle, which is produced from a grub or cater- pillar, which has eaten away the vital parts of the seed; and when it has passed through the chrysalis state, and given birth to this beetle, the latter makes the hole in order to escape into the open air, there to perpetrate more mis- chief upon the growing crops. The body of the beetle is a dull brown, but the elytrse, or wing- covers, are black, dotted with white, but scarcely perceptibly so, unless magnified, as in our draw- ing. Naturally it is the size of the smaller figure, and is scarcely two lines long. The anteunaj are eleven—jointed, black, and thinnest near the head, where they are also tinged with red. The head droops, the eyes are prominent, the fore-legs are rusty coloured. The female pierces through the pod of the pea or bean whilst very young, and often deposits an egg in each seed." This insect may be destroyed by the American mode of dipping the seed in boiling water, as noticed above. The pupae of the fly Phytomyza nigricomis, the black-horned leaf-miner, fig. 11, feed on the Fig. 11.. BLACK-HORNED LEAF-MINER. parenchyma of the leaf, causing minute brown spots in it. The only mode of riddance ap- pears to us to be picking off the infected leaves and burning them, to prevent the further breed- ing of the insect. The cross lines sh

Stockbilder mithilfe von Tags suchen

• bookcentury1800
• bookdecade1850
• booksubjectgardening
• bookyear18