. The American fruit culturist, containing directions for the propagation and culture of all fruits adapted to the United States. Fruit-culture. Fig. 233.—Spring Canker-worm.—Larva; female; male. in length, and finally develop into small moths, the females of which (Fig. 233) have no wings. There are several differ- ent kinds of canker-worms, and they often work together in the same orchard. They consume the foliage, except the larger leaf veins, and give the trees a scorched appearance from a distance, so that the insects are known as "fire-worms" in some localities. We have seen th
. The American fruit culturist, containing directions for the propagation and culture of all fruits adapted to the United States. Fruit-culture. Fig. 233.—Spring Canker-worm.—Larva; female; male. in length, and finally develop into small moths, the females of which (Fig. 233) have no wings. There are several differ- ent kinds of canker-worms, and they often work together in the same orchard. They consume the foliage, except the larger leaf veins, and give the trees a scorched appearance from a distance, so that the insects are known as "fire-worms" in some localities. We have seen thousands of acres of apple. Fig. 234.—Fall Canker-worm.—Female; male ; larva. orchards in Western New York defoliated by these pests in a single season. They spread rather slowly from orchard to orchard. In some localities the kind known as the fall canker-worm {Anisopteryx pometaria) (Fig. 234) is the most numerous, while in other sections the spring canker-worm {Paleacrita vernata) (Fig. 233) far outnumbers any others. At least two other kinds may also occur in injurious numbers; they are the lime- tree winter-moth Hybernia tiliaria, and Bruce's canker-worm Rachela 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 Thomas, J. J. (John Jacob); Wood, William H. S. New York, Orange Judd
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