Excerpt from Catalogue of Hymenopterous Insects in the Collection of the British Museum, Vol. 6 The maxillary palpi 6-jointed; the labial palpi 4-jointed. Ocelli 3, placed in a triangle on the vertex*. Males and females Winged, constantly so in the former sex, temporarily so in the latter. The superior wings with one marginal and two sub marginal cells; one division having also a complete discoidal cell, another in which it is obsolete; the petiole of the abdomen furnished with a single vertical scale. None of the ...
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Excerpt from Catalogue of Hymenopterous Insects in the Collection of the British Museum, Vol. 6 The maxillary palpi 6-jointed; the labial palpi 4-jointed. Ocelli 3, placed in a triangle on the vertex*. Males and females Winged, constantly so in the former sex, temporarily so in the latter. The superior wings with one marginal and two sub marginal cells; one division having also a complete discoidal cell, another in which it is obsolete; the petiole of the abdomen furnished with a single vertical scale. None of the individuals furnished with a sting. The pupae enclosed in silken cocoons. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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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