Guidelines for the Use of Gypchek to Control the Gypsy Moth (Classic Reprint)

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Excerpt from Guidelines for the Use of Gypchek to Control the Gypsy MothAfter the gypsy moth larvae ingest viral polyhedra along with the foliage, the virus rods are liberated from the polyhedra and attack internal tissues and organs of the lar vae. The rods multiply rapidly, eventually causing disintegration of the internal tissues and death. The entire process takes 10 to 14 days, depending on the temperature. Larvae about to die have a characteristic oily, greasy appearance (fig. Before this time, virus infected larvae are not visibly different from normal larvae (fig. Virus-killed larvae typically have an inverted-v appearance and are extremely fragile to the touch (fig.Figure 1. - Virus-infected gypsy moth larvae about to die have a characteristic oily, greasy appearance.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.