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. A text-book of agricultural zoology. Zoology, Economic. 184 LEPIDOFlJliBA {HUjinaj. destructive. After the crop has been taken, it is a good plan to turn a number of fowls on the land, as they devour these larvae greedily. "Watering around plants where the grubs are plentiful with paraffin emulsion has a good effect; but for wholesale purposes there is nothing like a dry dressing of soot and lime. The PhisiadcB or Y-Moths include one destructive species— namely, the Silvery Y (Plusia gamma) (fig. 84), which now and then feeds upon turnips and clover. The larvse have only two pairs of pr

. A text-book of agricultural zoology. Zoology, Economic. 184 LEPIDOFlJliBA {HUjinaj. destructive. After the crop has been taken, it is a good plan to turn a number of fowls on the land, as they devour these larvae greedily. "Watering around plants where the grubs are plentiful with paraffin emulsion has a good effect; but for wholesale purposes there is nothing like a dry dressing of soot and lime. The PhisiadcB or Y-Moths include one destructive species— namely, the Silvery Y (Plusia gamma) (fig. 84), which now and then feeds upon turnips and clover. The larvse have only two pairs of pr Stock Photo
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Central Historic Books / Alamy Stock Photo

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PG40AK

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7.2 MB (289.8 KB Compressed download)

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2044 x 1223 px | 34.6 x 20.7 cm | 13.6 x 8.2 inches | 150dpi

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. A text-book of agricultural zoology. Zoology, Economic. 184 LEPIDOFlJliBA {HUjinaj. destructive. After the crop has been taken, it is a good plan to turn a number of fowls on the land, as they devour these larvae greedily. "Watering around plants where the grubs are plentiful with paraffin emulsion has a good effect; but for wholesale purposes there is nothing like a dry dressing of soot and lime. The PhisiadcB or Y-Moths include one destructive species— namely, the Silvery Y (Plusia gamma) (fig. 84), which now and then feeds upon turnips and clover. The larvse have only two pairs of prologs in the middle of the body, and in P. gamma are green in colour, with a white streak down the. Fig. 84.—Silvery T-Moth (^Plvsia gamma). 1, Ova; 2, larva; 3, pupa; 4, imago. (Curtis.) back and a yellow one on each side. The Plusiadse spin a light silken cocoon (3). Among the Acronyatidm we find a fruit pest, the Figure-of-eight Moth (Diloba cceruleocephala), sometimes sufficiently abundant to damage the leafage of the apple, but usually feeding on hawthorn. Geometrina. — The Geometers are characterised by the peculiar mode of progress in their larvae, which have only ten or fourteen legs ; the prolegs are never all developed. Very few have twelve legs, fewer still are provided with fourteen. They move in a series of " loops, " arching the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Theobald, Frederick Vincent, 1868-1930. Edinburgh and London, W. Blackwood and sons

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