. The vegetable industry in New York state ... Vegetables; Gardening. Some Insects Injurious to Vegetables 1343 and came into isew York State about 1868 or 1870. The parent butterfly has two pairs of large, strong, white wings. Each of the front wings has a black patch in the outer corner and one or two black dots near the outer edge (Fig. 39Y). The butterflies appear early in the spring, and the mother insect soon be- gins to deposit her whitish or pale yellow eggs on the leaves of the cab- bage, one in a place. These hatch in about five days, and the tiny green worms appear. The velvety gree
. The vegetable industry in New York state ... Vegetables; Gardening. Some Insects Injurious to Vegetables 1343 and came into isew York State about 1868 or 1870. The parent butterfly has two pairs of large, strong, white wings. Each of the front wings has a black patch in the outer corner and one or two black dots near the outer edge (Fig. 39Y). The butterflies appear early in the spring, and the mother insect soon be- gins to deposit her whitish or pale yellow eggs on the leaves of the cab- bage, one in a place. These hatch in about five days, and the tiny green worms appear. The velvety green caterpillars become full grown in about two weeks and each one trans- forms to a pupa which, owing to its peculiar appearance and silvery markings is called a chrysalis. The insect remains in the chrysalis stage from one to two weeks when the butterfly appears, thus completing the life cycle (Fig. 398). There are at least three broods in Xew York. It hibernates as a chrysalis. Control. The caterpillars riddle the outer leaves of the plant and crawl down into the head, where they injure and soil the tender white Fig. 397.— The Impokted Cabbage Buttebfly; Male Above, Female Below. 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 New York Bureau of Farmers' Institutes. [Albany
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgardening, bookyear19
