. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. s FIG. 201.—Egg mass and small tent of tent-caterpillar. thirds natural size.) (About two- to resort to active methods of control. The eggs may be pruned off in the winter and placed in a box covered with a screen so that the parasites may be allowed to escape and the larvae be retained when they hatch. The tents containing the young larvae can be quickly gathered and destroyed when they are small. Spraying very early, before the blossoms ap- pear, with arsenate of lead will kill many of the larvae. Canker-worms.—
. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. s FIG. 201.—Egg mass and small tent of tent-caterpillar. thirds natural size.) (About two- to resort to active methods of control. The eggs may be pruned off in the winter and placed in a box covered with a screen so that the parasites may be allowed to escape and the larvae be retained when they hatch. The tents containing the young larvae can be quickly gathered and destroyed when they are small. Spraying very early, before the blossoms ap- pear, with arsenate of lead will kill many of the larvae. Canker-worms.—The canker-worms, inch-worms, measur- ing-worms, or loopers are common throughout nearly all parts. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; Doane, Rennie Wilbur, 1871-. New York, H. Holt and company
Size: 803px × 3115px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookaut, bookpublishernewyorkhholtandcompany, booksubjectzoology
