Excerpt from A Monograph of the British Phytophagous Hymenoptera, Vol. 1Male insects have the antenna often differently shaped from those of the female; being often hairy, pectinated, &c., as explained further on.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.

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