Excerpt from CordulinesChez les mâles, des oreillettes aux côtés du second segment de l'abdomen, les tibias antérieurs bordés par une petite lamelle. Le bord anal des ailes inférieures toujours angulaire, excavé ou droit (excepté dans le genre Hemz'cordnläa), et la réticulation qui le borde offrant un grand triangle adossé à la membranule.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.