. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fig. 421. — Larva of the Raspberry Sawfly. Original. Fic. 422. —The Raspberry Sawfly. Enlarged and natural size. Orig- inal. spines, wliich are dark on its back but light on its sides. When ma- ture, the worms enter the ground, and remain there until the follow- ing spring, when the transformation to the adult sawfly takes place. Paris green or ar- senate of lead may be used to poison the worms until the fruit is set. After that use hellebore. The Grape Sawfly (Selandria vitis Say) Greenish or yellomsh slugs,
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fig. 421. — Larva of the Raspberry Sawfly. Original. Fic. 422. —The Raspberry Sawfly. Enlarged and natural size. Orig- inal. spines, wliich are dark on its back but light on its sides. When ma- ture, the worms enter the ground, and remain there until the follow- ing spring, when the transformation to the adult sawfly takes place. Paris green or ar- senate of lead may be used to poison the worms until the fruit is set. After that use hellebore. The Grape Sawfly (Selandria vitis Say) Greenish or yellomsh slugs, their bodies dotted with black, feed in groups on the leaves of grapes, usually on the under side of the leaf, broods 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
Size: 1910px × 1308px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
