. Cyclopedia of farm crops. Farm produce; Agriculture. 42 MEANS OF CONTROLLING INSECTS The means which the individual may use in endeavorinf^ to control his insect enemies are many and varied. They may be classed as me- chanical methods, farm practices and the applica- tion of mate- rials commonly called insecti- Me cha nical methods. is often acticable to hand-pick or out insect ;sts. This is largely prac- ticed in coun- tries where cheap labor is available. No cheaper and ef- fective method has yet been found for com- bating borers and many pests (a s cutworms and white grubs) workin


. Cyclopedia of farm crops. Farm produce; Agriculture. 42 MEANS OF CONTROLLING INSECTS The means which the individual may use in endeavorinf^ to control his insect enemies are many and varied. They may be classed as me- chanical methods, farm practices and the applica- tion of mate- rials commonly called insecti- Me cha nical methods. is often acticable to hand-pick or out insect ;sts. This is largely prac- ticed in coun- tries where cheap labor is available. No cheaper and ef- fective method has yet been found for com- bating borers and many pests (a s cutworms and white grubs) working in gardens and on other small areas. Children have done very effective work in collecting eggs of tent-caterpillars and tussock- moths on shade trees. A box-like covering of wire- screen or mosquito-netting is often placed over hills of squashes, melons and cucumbers to protect them from the ravages of the striped beetle and stink-bug. Seed-beds of cabbages, radish beds and various choice or rare plants can be thus protected from insects at slight expense. Bushels of young grasshoppers and swarms of small leaf-hoppers are often collected on the western prairies by drawing Icfrge iron pans smeared with tar or containing ker- osene, and called " ; (Fig. 59.) Thous- ands of grape leaf-hoppers can be collected on sticky shields held near while the vines are jarred. Fig. 61. Canker-worm moths stopped by sticky band in their progress up a 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 Bailey, L. H. (Liberty Hyde), 1858-1954, ed. New York, The Macmillan company


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectagriculture, bookyear