. Insect pests of farm, garden and orchard . FiG. 215.—Murky ground-beetle (i/arpaZas ca%iftos«s); a, its larva; h, headof larva showing mouthparts. (After Riley.) tory. One pound of Paris green and 1 pound of freshly slakedquicklime to 50 gallons of water will kill all the larvse, butoften 2 to 3 pounds are necessary to destroy the beetles. Many growers now prefer to use arsenate of lead at from 3 to 5pounds to the barrel, as there is no danger of burning the foliagewith it, and it is much more adhesive. Where Bordeaux mixtureis not used the arsenate of lead is much preferable on account of i
. Insect pests of farm, garden and orchard . FiG. 215.—Murky ground-beetle (i/arpaZas ca%iftos«s); a, its larva; h, headof larva showing mouthparts. (After Riley.) tory. One pound of Paris green and 1 pound of freshly slakedquicklime to 50 gallons of water will kill all the larvse, butoften 2 to 3 pounds are necessary to destroy the beetles. Many growers now prefer to use arsenate of lead at from 3 to 5pounds to the barrel, as there is no danger of burning the foliagewith it, and it is much more adhesive. Where Bordeaux mixtureis not used the arsenate of lead is much preferable on account of itssuperior adhesiveness. Where Bordeaux mixture is used, arseniteof lime, or arsenite of lime made with soda, may be used, but thesehomemade arsenicals should not be used alone, on account oftheir burning the foliage. The vines should be sprayed first when they are a few incheshigh, and the spraying repeated once or twice at intervals of ten 296 INSECT PESTS OF FARM, GARDEN AND ORCHARD days or two weeks. The larvcc are so easily killed b
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