. Farm friends and farm foes : a text-book of agricultural science . Agricultural pests; Beneficial insects; Insect pests. I70 FARM FRIENDS AND FARM FOES stroying unsuspected numbers of eggs, larvae, and later stages of plant-feeding insects. The Social Wasps (Vespidae) are well-known predaceous insects. The adults build paper nests in which the young are reared, being fed largely with various insects that the worker wasps catch for them. These workers also feed freely upon such insects, though they also eat the nectar of flowers and other kinds of food. The various groups of Soli- tary Wasps
. Farm friends and farm foes : a text-book of agricultural science . Agricultural pests; Beneficial insects; Insect pests. I70 FARM FRIENDS AND FARM FOES stroying unsuspected numbers of eggs, larvae, and later stages of plant-feeding insects. The Social Wasps (Vespidae) are well-known predaceous insects. The adults build paper nests in which the young are reared, being fed largely with various insects that the worker wasps catch for them. These workers also feed freely upon such insects, though they also eat the nectar of flowers and other kinds of food. The various groups of Soli- tary Wasps must also be classed with the predaceous insects, though their pecuUar habits WHITE-FACED HoKNET ^"y ^^601 in a Way with the true parasites. The Mud Wasps and the Digger Wasps provision their cells and burrows with flies, grasshoppers, caterpillars, spiders, and other crea- tures. These victims are paralyzed by the sting of the wasp so that they lie helpless in the cell in which the wasp egg is laid. This egg soon hatches into a larva that feeds upon the paralyzed prey, finally transforming to a pupa and later to an adult wasp. Other Orders Comparatively few important predaceous families are found in the other orders of insects. Some of these, how- ever, are friendly insects of great value, serving a notable purpose in the economy of nature. What the swallows are among the birds, the Dragon Flies are among the insects. These powerful creatures are won- derfully adapted to their life work. With enormous eyes that see in practically all directions, with powerful wings that carry them with lightning rapidity through the air, with. 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 Weed, Clarence Moores, 1864-1947. Boston ; New York : D. C. Heath & Co.
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Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1910
