. Annual report - Entomological Society of Ontario. Entomological Society of Ontario; Insect pests; Insects. 24 the leaf, as seen in the figure, within which they change to slender brown chrysalids about three quarters of an inch long, from which, in a short time, the perfect insect Fig. 4. The beautifnl figure illustrating this subject was drawn from nature by Mr. Marx, of Washington, and published in Prof. Comstock's Report, as Entomologist of the Department of Agriculture, for 1879. Through the kindness of Dr. Loring, U. S. Com- missioner of Agriculture, we have been supplied with
. Annual report - Entomological Society of Ontario. Entomological Society of Ontario; Insect pests; Insects. 24 the leaf, as seen in the figure, within which they change to slender brown chrysalids about three quarters of an inch long, from which, in a short time, the perfect insect Fig. 4. The beautifnl figure illustrating this subject was drawn from nature by Mr. Marx, of Washington, and published in Prof. Comstock's Report, as Entomologist of the Department of Agriculture, for 1879. Through the kindness of Dr. Loring, U. S. Com- missioner of Agriculture, we have been supplied with an electrotype of it. • The Poplar Dagger-Moth (Acronycta lepusculinaJ. Guene^. The caterpillar of this moth is often very destructive to poplar trees, and more especially to the foliage of the cotton wood tree in the west. It is, when full grown, an inch and a-half or more in length, with a black head, and its body clothed with long, soft yellow hairs, from amongst which arise along the back five long pen- cils of black hairs. When at rest it curls itself up on the leaf as shown in fig. 5. When full grown the caterpillar spins a pale yellow cocoon of silk interwoven with its own hairs, hidden in some sheltered spot, and there changes to a dark brown chrysalis, from which in due time the moth appears. The perfect insect measures, when its wings are expanded, about an inch and three-quarters across (see tig. 6). Its wings are •. 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 Entomological Society of Ontario; Ontario. Department of Agriculture. Toronto, The Society
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsects, bookyear1872
