. Destructive insects. Insect pests. Fig. 30, 6. Although this pest is known as the forest tent caterpillar, it also attacks fruit trees. A number of apple and prune orchards suffered from the ravages of this destructive caterpillar this past spring. The female moth (Fig. 30, b) deposits her eggs in circles upon the twigs or small branches; with each one is secreted a small quantity of gummy matter, which, upon drying, forms a coating and seals them to the branch and to each other. They remain in this condition all winter, and about the time the buds open in the spring the young larvae
. Destructive insects. Insect pests. Fig. 30, 6. Although this pest is known as the forest tent caterpillar, it also attacks fruit trees. A number of apple and prune orchards suffered from the ravages of this destructive caterpillar this past spring. The female moth (Fig. 30, b) deposits her eggs in circles upon the twigs or small branches; with each one is secreted a small quantity of gummy matter, which, upon drying, forms a coating and seals them to the branch and to each other. They remain in this condition all winter, and about the time the buds open in the spring the young larvae Fig. 30, c. Should the leaves be backward in developing, the larvae will exist with- out food for several weeks; but if food is abundant when they hatch, they will attain their full growth in five weeks, measuring one and a half inches (Fig. 30, c).. 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 California. State board of horticulture. Division of entomology. [from old catalog]; Craw, Alexander. [from old catalog]. Sacramento, A. J. Johnston, supt. state printing
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsectpests, bookyear
