Collection and Preservation of Insects by U. S. Department of Agriculture, Arthur D. Cushman, P. W. Oman

Collection and Preservation of Insects

U. S. Department of Agriculture, Arthur D. Cushman, P. W. Oman

52 pages • missing pub info (editions)

nonfiction nature medium-paced
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Insects are from many kinds and differ greatly in their life histories and habits. From the viewpoint of man, some insects are injurious, some are unimportant, and some are beneficial. Because of these differences it is important to recognize inse...

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