. Nature study and agriculture. Nature study; Agriculture. 204 INSECTS ground and remain out of sight the next i6 years. In the southern states the warmer temperature hastens the de- velopment, and the hfe cycle is completed in thirteen years instead of seventeen. Other well-known pests belonging to this class are the true bugs (the chinch bug, squash bug, and bed bug) and the several kinds of lice that live as parasites on man and other mammals and suck their blood. But bird lice, common on poultry and other birds, are quite different. These have mouth parts for biting and eat the feathers, h


. Nature study and agriculture. Nature study; Agriculture. 204 INSECTS ground and remain out of sight the next i6 years. In the southern states the warmer temperature hastens the de- velopment, and the hfe cycle is completed in thirteen years instead of seventeen. Other well-known pests belonging to this class are the true bugs (the chinch bug, squash bug, and bed bug) and the several kinds of lice that live as parasites on man and other mammals and suck their blood. But bird lice, common on poultry and other birds, are quite different. These have mouth parts for biting and eat the feathers, hair, or skin of their victim. Butterflies and Moths. — This class of insects is distin- guished by the fine, overlapping scales which cover the four. Resting Position a, Butterfly; J, Moth with wings folded around the body; c, Moth with wings held straight out from sides. wings. These scales appear like powder when they corde off on our fingers as we touch the insect. The mouth parts of the adults are formed for sucking, but the larvse eat soHd food. Many of the moths are usually called " millers," especially those that fly about lights at night. Moths and butterflies are distinguished from each other as follows:. 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 Schmidt, Charles Christian, 1859-. Boston, New York [etc. ] D. C. Heath & Co


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectagriculture, bookyear