. Annual report of the Regents. New York State Museum; Science. INJURIOUS AND BENEFICIAL INSECTS FRUIT TREE INSECTS 1 Apple tree tent-caterpillar (Clisiocampa americana). The conspicuous web tents found in the forks of apple and cherry trees in May contain hairy, bluish black caterpil- lars marked with yellowish and with a white stripe along the back. The cocoons are spun the last of May, the light brown moths, with oblique white stripes across the fore wings, flying in June. The eggs, in belts incircling the smaller twigs, are covered with a brown^ glistening protective substance and remain u
. Annual report of the Regents. New York State Museum; Science. INJURIOUS AND BENEFICIAL INSECTS FRUIT TREE INSECTS 1 Apple tree tent-caterpillar (Clisiocampa americana). The conspicuous web tents found in the forks of apple and cherry trees in May contain hairy, bluish black caterpil- lars marked with yellowish and with a white stripe along the back. The cocoons are spun the last of May, the light brown moths, with oblique white stripes across the fore wings, flying in June. The eggs, in belts incircling the smaller twigs, are covered with a brown^ glistening protective substance and remain unhatched till spring. Treatment: remove and destroy the eggs or crush the young in their nests. Spray the foliage of infested trees with poison in early spring. 2 Codling-moth (Carpocapsa pomon- e 11 a ). Familiar as the worm boring in apples near the core. The winter is passed by the cater- pillar in small cavities under sheltering bark or in Fig. 1 Egg belt of apple tree tent-cat- erpillar, enlarged The moths ap- pear shortly after the petals fall. There are usually two broods a year in New York state. Treatment: band trees and kill worms collecting under the bands, destroy wormy apples, spray with poison shortly after the petals have fallen, and while the calyx lobes are still open. Prevent escape of the moths in the spring from fruit cellars or storehouses. 3 Palmer worm (Ypsolophus pometellus). Small Wiiggliug, yellowish green caterpillars, having a dark stripe on FiG/2 Codling-moth: a burrow of larva; & point of entrance of larva; d pupa; e full-grown larva; y adult moth at rest; g same with wings spread; h head of full-grown larva (after Riley). 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 State Museum; University of the State of New York. Board of Regents. Albany : J. B. Ly
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