. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. 472 ECONOMIC ZOOLOGY AND ENTOMOLOGY STRAWBERRIES The Strawberry Crown-borer (Tyloderma fragaria;}.—The white grub-like larvae of this beetle often cause the death of many plants by boring into the crown and eating out a large cavity. The dark-colored adult is about one-fifth of an inch long, and belongs to the group of snout beetles, having the head produced into a conspicuous blunt snout. The beetles pass the. FIG. 225.—Larvae of strawberry crown-moth, Sesia rut Hans, in crown of strawberry plant. (Somewhat reduc
. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. 472 ECONOMIC ZOOLOGY AND ENTOMOLOGY STRAWBERRIES The Strawberry Crown-borer (Tyloderma fragaria;}.—The white grub-like larvae of this beetle often cause the death of many plants by boring into the crown and eating out a large cavity. The dark-colored adult is about one-fifth of an inch long, and belongs to the group of snout beetles, having the head produced into a conspicuous blunt snout. The beetles pass the. FIG. 225.—Larvae of strawberry crown-moth, Sesia rut Hans, in crown of strawberry plant. (Somewhat reduced.) winter in the soil, emerging in the spring to lay their eggs on the plants. All dead or weakened plants should be dug out and destroyed as soon as noticed. As soon as a bed becomes badly infested it should be plowed up and a new one planted elsewhere, care being taken to use young plants that contain no eggs or larvae of this pest. As the beetles cannot fly the new bed will not be readily 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
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