. Common injurious insects of Kansas. Insect pests. INSECTS ATTACKING SHADE-TREES. 101. GRE E N-STRIPED M -WORM. (Anisota rubicunda Fabr.; Order, Lepidoptera.) Diagnosis.—Attacking the maple; a naked caterpillar, about 1? inches long, pale yellowish-green, longitudinally striped with lighter and darker green lines, two small, black horns on body behind the head; noticeable on the sidewalks. Description and Life-history.—The adult insect is a beautiful, rosy-white moth, with wings expanding from H to 2 inches. The eggs are laid in groups of 30 or more, on the under side of maple leaves, a
. Common injurious insects of Kansas. Insect pests. INSECTS ATTACKING SHADE-TREES. 101. GRE E N-STRIPED M -WORM. (Anisota rubicunda Fabr.; Order, Lepidoptera.) Diagnosis.—Attacking the maple; a naked caterpillar, about 1? inches long, pale yellowish-green, longitudinally striped with lighter and darker green lines, two small, black horns on body behind the head; noticeable on the sidewalks. Description and Life-history.—The adult insect is a beautiful, rosy-white moth, with wings expanding from H to 2 inches. The eggs are laid in groups of 30 or more, on the under side of maple leaves, about the last of May. The larvae or worms immediately on hatching be- gin their attacks on the ma- ple's foliage, and feed about one month before becoming full-grown. They descend into the ground to pupate, and the adults appear in from 10 to 14 days. The insect is two- brooded, the first brood of worms appearing mostly in June, and the second late in July and early in August. The worms of the second brood are much more abundant than those of the first, and, conse- quently, the second brood is much more destructive. The larvae enter the ground and pupate about September 1st. The chrysa- lids of this brood pass the winter in the ground, the moths emerg- ing the following May. Remedies.—Several insect parasites attack the Maple-worm, much to the advantage of the maple Several species of birds eagerly devour them also. Spraying with London purple (see p. 8) or Paris green (see p. 7) early in the season, soon after the worms appear, will prove effective. The worms when about to leave the trees may also be entrapped by digging a trench either around the individual tree or around a grove or belt. The trench should be at least a foot deep, with the outer wall. 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 w
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