. Farm friends and farm foes : a text-book of agricultural science . Agricultural pests; Beneficial insects; Insect pests. THE PREDACEOUS INSECTS 173 2. Examine a colony of plant lice careftilly. Try to find the white eggs, the footless larvae, or the curious brown puparia of some of the Syrphus Flies. Watch one of the larvas through a lens to see the way it impales its victims. 3. Read the account of the Robber Flies in The Insect Book, pages 141-143; of the Syrphus Fly in Stories of Insect Life, First Series, pages 50-51. Ants and Wasps 1. Watch the surface of an ant's nest to see if any ins


. Farm friends and farm foes : a text-book of agricultural science . Agricultural pests; Beneficial insects; Insect pests. THE PREDACEOUS INSECTS 173 2. Examine a colony of plant lice careftilly. Try to find the white eggs, the footless larvae, or the curious brown puparia of some of the Syrphus Flies. Watch one of the larvas through a lens to see the way it impales its victims. 3. Read the account of the Robber Flies in The Insect Book, pages 141-143; of the Syrphus Fly in Stories of Insect Life, First Series, pages 50-51. Ants and Wasps 1. Watch the surface of an ant's nest to see if any insects are carried to it. 2. Watch wasps and hornets as they .fly about porches and near houses to see if they catch flies and other insects. 3. Open the cells of a Mud Wasp's nest to see the paralyzed spiders or caterpillars inside. 4. Watch the places where Digger Wasps make their burrows to see the insects at work. 5. Read such of the following accounts of the life histories of wasps as you have access to: — Tke Insect Book, pages 18-30. American Insects, pages 490-510. Nature Biog- raphies, pages 102-106. Life Histories of American Insects, 147-178. Stories of Insect Life, Second Series, pages 24-29, or the book by Professor and Mrs. Peck- ham, entitled The Solitary Wasps. Other Predaceous Insects 1. Watch the Dragon Flies and Damsel Flies in summer. Notice the position of the wings when the insects alight. 2. Read the account of Dragon Flies in American Insects, pages 75- 89; also the accounts of the Praying Mantis in The Insect Book, pages 326-328; Stories of Insect Life, Second Series, pages 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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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1910