Insects and insecticidesA practical manual concerning noxious insects and the methods of preventing their injuries . flies again. Remedies.—This insect is an exceedingly diffi-cult pest to contend with. Fortunately, as yet, it isonly seriously injurious in comparatively few destruction of all refuse or infested fruit, such aswindfalls, apple pomace, etc., is the measure mosthighly recommended. The Apple Curculio. Anthonomus quadrigibbus. This insect in its adult state is represented magni-fied at Fig. 22, c showing a back view, and b a sideview, while the naturalsize is represented
Insects and insecticidesA practical manual concerning noxious insects and the methods of preventing their injuries . flies again. Remedies.—This insect is an exceedingly diffi-cult pest to contend with. Fortunately, as yet, it isonly seriously injurious in comparatively few destruction of all refuse or infested fruit, such aswindfalls, apple pomace, etc., is the measure mosthighly recommended. The Apple Curculio. Anthonomus quadrigibbus. This insect in its adult state is represented magni-fied at Fig. 22, c showing a back view, and b a sideview, while the naturalsize is represented bythe small figure a, at theleft of b. This is a beetlerelated to the Plum Cur-culio, but having a long-er snout. It is dullbrown in color, and hasfour tubercles, or humps,on the hinder portion of its back. Before the gen-eral cultivation of the improved varieties of apple, itbred in wild crabs and haws. The adult beetles drill holes in young apples, bothfor food and the deposition of eggs. The latter arelaid at the bottom of the cavity, and soon hatch intogrubs or larva? that feed upon the pulp of the Fig. 22. Apple Curculio. Magnified. INJURING THE FRUIT. 55 ?
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Keywords: ., bookcentury1800, bookdecade1890, bookidi, booksubjectinsecticides
