. Nature study and agriculture. Nature study; Agriculture. INSECT ?ESTS OF GARDEN AND FIELD 211 used for this purpose act as a poison, and others are oily and soapy mixtures that stop up the breathing pores of the insects and smother them. Kerosene emulsion is one of the commonest remedies of this class and is made of soap suds and kerosene. Tobacco, another remedy, is used either by smoking the infested plants with it or by steeping it in water and using the liquid as a spray. There are many other preparations sold by dealers, but each serves either to poison the food or to kill the insects b
. Nature study and agriculture. Nature study; Agriculture. INSECT ?ESTS OF GARDEN AND FIELD 211 used for this purpose act as a poison, and others are oily and soapy mixtures that stop up the breathing pores of the insects and smother them. Kerosene emulsion is one of the commonest remedies of this class and is made of soap suds and kerosene. Tobacco, another remedy, is used either by smoking the infested plants with it or by steeping it in water and using the liquid as a spray. There are many other preparations sold by dealers, but each serves either to poison the food or to kill the insects by coming in contact with them. The Colorado Potato Beetle. — This is often popularly called the " potato bug," but the hard wing covers of the. The Colorado Potato Beetle and its Development a, eggs; h, larvae; c, pupa (underground); d, adult; e, wing cover; /, leg. adult easily show us that it is a typical beetle. The adults are about half an inch in length, of a yellowish color, with ten black marks on the wing covers. These insects pass the winter as adults underground, and it would be easy to con-. 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 Schmidt, Charles Christian, 1859-. Boston, New York [etc. ] D. C. Heath & Co
Size: 2061px × 1213px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectagriculture, bookyear
