. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 398 ECONOMIC ENTOMOLOGY (b) Special Crops.—Such crops have been found advantageous in the control of Hessian fly, army worms, squash bugs, cucumber beetles, and asparagus beetles. In the case of the Hessian fly narrow strips are planted early so that the flies may deposit their eggs on the wheat before the regular planting of the field. These trap strips are then destroyed. With the army worm, a similar narrow strip on the border of the field may be poisoned with an arsenical spray. Wi
. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 398 ECONOMIC ENTOMOLOGY (b) Special Crops.—Such crops have been found advantageous in the control of Hessian fly, army worms, squash bugs, cucumber beetles, and asparagus beetles. In the case of the Hessian fly narrow strips are planted early so that the flies may deposit their eggs on the wheat before the regular planting of the field. These trap strips are then destroyed. With the army worm, a similar narrow strip on the border of the field may be poisoned with an arsenical spray. With cucumber beetles and asparagus beetles, a few plants may be set apart to trap the early beetles nd then destroyed. (c) Poison Baits.—Such are very effective against grasshoppers, cutworms and other insects. The Criddle Mixture, made by mixing thoroughly i lb. of Paris green or white arsenic, i lb. of salt (dis- solved in water), and 15 gal., by measure, of fresh horse droppings, with sufficient water to make the 0. 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 Lochhead, William, 1864- [from old catalog]. Philadelphia, P. Blakiston's son & co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
