. Economic entomology for the farmer and fruit-grower. Beneficial insects. THE INSECT WORLD. 77 egg-sacs ot Lycosid or running spiders. The larva, that succeeds, enters the sac and begins feeding upon the eggs, gradually losing its active form and becoming clumsy and grub-like. The pupa forms within the larval skin, and after midsummer the adult appears. Very curious creatures are the Panorpidce, or "scorpion- flies," usually ranked as an order under the term Mecoptera. They have netted wings similar to but more robust than the "lace-wings," but have the mouth prolonged int
. Economic entomology for the farmer and fruit-grower. Beneficial insects. THE INSECT WORLD. 77 egg-sacs ot Lycosid or running spiders. The larva, that succeeds, enters the sac and begins feeding upon the eggs, gradually losing its active form and becoming clumsy and grub-like. The pupa forms within the larval skin, and after midsummer the adult appears. Very curious creatures are the Panorpidce, or "scorpion- flies," usually ranked as an order under the term Mecoptera. They have netted wings similar to but more robust than the "lace-wings," but have the mouth prolonged into a beak, at the end of which the biting parts are situated. In the genus Pa7i- orpa the males have a pair of huge anal forceps, curved up some- FiG. 42. Fig. Mantisl>a species.—Showing the legs and body 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 Smith, John Bernhard, 1858-1912. Philadelphia and London, J. B. Lippincott company
Size: 1667px × 1499px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectbenefic, bookyear1906
