Excerpt from The Great Basin Naturalist, 1962, Vol. 22 Male. Length about 12 mm.; wing 10 mm.; antenna about mm. Frontal prolongation of head above, including the long nasus, yellow, sides dark brown; palpi brownish black, terminal segment paling into obscure oran e. Antennae elongate, scape and pedicel light yellow, flagellum b ack; flagellar segments much exceeding their verticils, basal enlargements small. Head light yellow, whit ened anteriorly, sides of posterior vertex with a brown spot, lower genae paler brown; vertical tubercle very low to virtually lacking. 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.