. Insect pests of farm, garden and orchard . INSECTS AFFECTING GRAINS, GRASSES, FORAGE 111 of hopperdozers, which may be utilized where the use of poisonedbran would not be possible. The hoppcrdozer consists of ashallow pan containing water with a surface of kerosene, crudepetroleum, or coal tar, which is sometimes used without pan is mounted on runners or wheels and if larger than about3 feet square is usually provided with partitions to preventslopping. The back and sides are high and sometimes are madeof canvas. A good cheap pan is made of ordinary sheetiron, 8 feet long, 11 inche
. Insect pests of farm, garden and orchard . INSECTS AFFECTING GRAINS, GRASSES, FORAGE 111 of hopperdozers, which may be utilized where the use of poisonedbran would not be possible. The hoppcrdozer consists of ashallow pan containing water with a surface of kerosene, crudepetroleum, or coal tar, which is sometimes used without pan is mounted on runners or wheels and if larger than about3 feet square is usually provided with partitions to preventslopping. The back and sides are high and sometimes are madeof canvas. A good cheap pan is made of ordinary sheetiron, 8 feet long, 11 inches wide at the bottom, and turned. Fig. 82.—Carolina locust killed by fimgous disease. (Photo by Weed.) up a foot high at the back and an inch high in front. Arunner at each end, extending some distance behind, and acord attached to each front corner, complete the pan at a costof about $ (Fig. 80). We have known of from seven toten bushels of young locusts caught with one such pan in anafternoon. It is easily pidled by two- boys, and by runningseveral together in a row, one l^oy to each rope, and one toeach contiguous pair, the best work is performed with the 112 INSECT PESTS OF FARM, GARDEN AND ORCHARD least labor. Larger pans are drawn or pushed by horses. Theoil is best used on the surface of water, from which the insectsare removed with a strainer, and any which hop out will dieafter having come in contact with the oil. Destroying the Adults.—The destruction of the winged insectsis an entirely hopeless task, for, though even large numbersare caught, so many will remain that the damage done thecrops would be
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915