Excerpt from Cooperative Economic Insect Report, Vol. 17: March 3, 1967 Overwintering mortality of European corn borer larvae ranged 0 - 4 percent in minnesota, the lowest in many years. Cool weather delayed pupation and egg laying until late June. The first generation was low throughout the State. 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.