. Elementary studies in insect life. Insects. OUR FRIENDS AND FOKS 143 attack plants such as the potato as soon as these plants appear above-ground. Upon these they lay egg's which bring forth reddish, sing-like larv;r. This brood of larvne is the one which frequently defoliates the first crop of potatoes. Before the application of arsenites was fully understood, the potato beetle was an enemy of considerable importance. In those days the only means of ridding the potato patch was by hand-picking the eggs and insects. With a more complete knowledge of insecticides, however, we find little or n
. Elementary studies in insect life. Insects. OUR FRIENDS AND FOKS 143 attack plants such as the potato as soon as these plants appear above-ground. Upon these they lay egg's which bring forth reddish, sing-like larv;r. This brood of larvne is the one which frequently defoliates the first crop of potatoes. Before the application of arsenites was fully understood, the potato beetle was an enemy of considerable importance. In those days the only means of ridding the potato patch was by hand-picking the eggs and insects. With a more complete knowledge of insecticides, however, we find little or no difficulty in treating the potato plants by spraying with Paris green one pound, freshly slaked lime one pound, water 100 gallons. Squash-Bug.— -In garden crops the squash-bug and the cabbage worm are frequently injurious. The squash-bug1 attacks and causes considerable injury to the vines of the cucumber. This dull, grayish-brown insect belongs to the order Hemiptera, suborder lleteroptera, and therefore has sucking mouth-parts. The punc- ture made b the beak of this. insect when feeding seems to be squash-bug tristis). Drawn from nature, by peculiarly poisonous, especially MISS M. E. wise. x2. to young vines. The insect spends the winter as an adult, and in the spring lays its golden-brown eggs upon the vines of the squash or cucumber family. These insects. as has been previously said, secure nourishment from within the plant, and therefore cannot be poisoned by ar- 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 Hunter, Samuel John, 1866-1946. Topeka, Kan. , Crane & company
Size: 1385px × 1805px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1902
