Excerpt from Reading Course in Economic Entomology Physopoda. Some of the reference books give a very good general account of these insects, but there has been very little done experiment ally toward their control. Those favorably located for making observa tions on the life history of these insects, especially their wintering habits, or on the application of insecticides, can make real additions to our knowledge of the subject. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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