. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. ig6 INSECT LIFE. plants, including apple, plum, and the more common forest trees'. When full grown it measures from three to four inches in length, and is dull bluish green in color. The body is armed with six rows of tuber- cles, extending nearly its entire length, and there is an additional short row on each side of the ventral aspect of the first five segments following the head. The tubercles on the second and third thoracic seg- ments are l
. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. ig6 INSECT LIFE. plants, including apple, plum, and the more common forest trees'. When full grown it measures from three to four inches in length, and is dull bluish green in color. The body is armed with six rows of tuber- cles, extending nearly its entire length, and there is an additional short row on each side of the ventral aspect of the first five segments following the head. The tubercles on the second and third thoracic seg- ments are larger than the others, and are coral red. The other dorsal tubercles are yellow, excepting those of the first thoracic and last abdominal seg- ments, which, with the lateral tubercles, are blue; all are armed with black bristles. The cocoon ( Fig. i6o.—Cocoon of the Cecropia-moth. i6o) is securely fastened to a branch of the food plant, where it is easily found during the winter months. The Ceanothus Silkworm, Samia califomica.— The Cecropia-moth is not found on the Pacific coast, but its place is taken by a closely allied species simi- lar in size and markings, but differing in having the ground color of the wings reddish or dusky brown. The larva feeds on Ceanothus; the cocoon resembles. 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 Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. New York, D. Appleton and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomol, bookyear1901