. Elementary lessons on insects. Insects. 90 ELEMENTARY LESSONS ON INSECTS. ant and drag it down under the sand. If at first it fails, it may toss sand into the air to fall on the ant and drive it down- ward within reach. 4. Toss a living ant-lion out on the surface and see it run backward and dig into the sand again. 5. Note how the sand grains are held about the body by the curved and ap- pressed hairs that cover it. 6. Destroy the pitfalls and see them renewed over night. 7. Throw a living orl fly larva into a dish of water whose bottom is covered with fine, clean-washed sand and see it &qu
. Elementary lessons on insects. Insects. 90 ELEMENTARY LESSONS ON INSECTS. ant and drag it down under the sand. If at first it fails, it may toss sand into the air to fall on the ant and drive it down- ward within reach. 4. Toss a living ant-lion out on the surface and see it run backward and dig into the sand again. 5. Note how the sand grains are held about the body by the curved and ap- pressed hairs that cover it. 6. Destroy the pitfalls and see them renewed over night. 7. Throw a living orl fly larva into a dish of water whose bottom is covered with fine, clean-washed sand and see it "dig ; B. The Study of Preserved Specimens. I. The lace-wing a. The Adult: With an adult in hand, note: 1. The general green color of the body. 2. The distinctness of the three regions of the body, head, thorax and abdomen. 3. The long, slender antennae. 4. The hemispherical, shining eyes. 5. The biting mouthparts with rapacious jaws. Fig. 34.—An ant- lion (larva) removed from the 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 Needham, James G. (James George), 1868-1956. Springfield, Ill. , Baltimore, Maryland, C. C. Thomas
Size: 1029px × 2429px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollecti, bookdecade1920, booksubjectinsects
