. Gli insetti ed altri parassiti alleate di Orchard, Bush e serra la frutta e la loro prevenzione e trattamento . Pesti di insetto; frutta. 426 pesti di insetto. Life-Histoi;y. Il lieetle è olilong, pitchy, vestita con luce Ijrown e ashy tomentosità, strettamente coperte con marrone e giallo paglierino-ljrown scale, che danno il elytra un appenrence a mosaico, con linee punctate o stria^, punture con scale su ciascun che li fanno sembrare ocellated, rostro breve e spatulate, il torace granulata (molto grossolanamente nel centro); le gambe sono di colore rosso o bruno-rossastro con nero a Tarso. Thei"e sono n.

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. The insect and other allied pests of orchard, bush and hothouse fruits and their prevention and treatment . Insect pests; Fruit. 426 Insect Pests. Life-Histoi;y. The lieetle is olilong, pitchy, clothed with light Ijrown and ashy pubescence, closely covered with brown and pale yellowish-ljrown scales, which give the elytra a tessellated appenrence, with punctate lines or stria^, the punctures with scales on each which make them seem ocellated, the rostrum short and spatulate, the thorax granulated (very coarsely in the centre); the legs are red or reddish-brown with black tarsi. Thei'e are no ^vings. In length it varies from to A inch. It appears in May and soon commences its work upon the caues. It remains hidden under clods of earth and under the bottom leaves during the day and only crawls over tlie plants at night. The habit of falling to the ground at the least jar, noise or light, of a night, . /â¢'. E.lcnhil. 1, lldoiin l't:. -JsO. âFKUIT TKEE ' ITIOEH VXrHI. «â /, /'»â /p, ;, .;./-;Vâx, /x , â 1', O. Elliot!us : S. is very marked in this species. When the earth is moved durin, <;- the daytime they roll on to their backs, and (i«-ing to the venter being dhll earthy coloured it is then extremely difficult to see them, as they remain quite motionless until they' think the danger is passed. At the end of summer the beetles lay their eggs on the ground, and in a week or ten days the larv;e hatch out and commence to feed upon the r(jots of various plants. The grubs are ^-hite to dull creamy-yellow, ipiite footless, curved and with a much wrinkled skill which is slightly hairy, the head is distinct and brown. Thev remain feeding on roots all the winter and in spring turn t.i pallid pupa' m the soil, from which tlie adults emerge in IIav. The larva IS rather fat and about I inch long. They feed nu a varietv of plants, not only ras].berry and otlier laish fruit, but various pot plants, hops and innumerable -eeds Inriu llieir liill uf fare.. Please

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1900
• booksubjectinsectpests
• bookyear