. Annual report - Entomological Society of Ontario. Entomological Society of Ontario; Insect pests; Insects. BY WM. SAUNDERS, LOx\DON, ONT. The forest Tent Caterpillar {Clisiocampa sylvatica). These troublesome caterpillars (see Fig. 5) have again been very abundant in the western section .of our Province, and early in June when nearly full grown they fed Fig. s. with such energy as to greatly damage the foliage of both fruit and forest trees, and became,quite a terror to many. They travel with such rapidity from place to place that small trees^entirely cleaned one day may be swarming with the


. Annual report - Entomological Society of Ontario. Entomological Society of Ontario; Insect pests; Insects. BY WM. SAUNDERS, LOx\DON, ONT. The forest Tent Caterpillar {Clisiocampa sylvatica). These troublesome caterpillars (see Fig. 5) have again been very abundant in the western section .of our Province, and early in June when nearly full grown they fed Fig. s. with such energy as to greatly damage the foliage of both fruit and forest trees, and became,quite a terror to many. They travel with such rapidity from place to place that small trees^entirely cleaned one day may be swarming with them the next, and where such trees have been newly planted and have made but small growth, a single day's neglect may result in the loss of the entire foliage which would greatly jeopardize, if not entirely destroy the life of such specimens. There are many pains-taking cultivators of both fruit and ornamental trees who are attentive to their plantations and make it a point to visit them regularly and to destroy all the caterpillars they can find, but who are greatly perplexed and dis- couraged by the repeated and continued invasions they are subject to from the hosts of these hungry larvae which swarm in the neglected orchards of careless neighbours and also among the forest trees in the woods. To meet such cases the following simple and inex- pensive remedy is suggested—it has been tried and found to work admirably : Take a roll of cotton batting, open it out and cut into strips about three inches wide and tie one of these strips with a piece of twine tightly about the middle, to any part of the trunk of the tree so as to entirely encircle it. In attempting to cross this barrier the multitude of minute horny hooks which fringe the margins of the base of the thick fleshy feet of the caterpillar become so entangled among the fibres of the cotton that further progress is almost impracticable, and the hungry worm wishing to ascend will be found walking disconsolately around and a


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsects, bookyear1872