Excerpt from The Fungus Gnats of North America, Vol. 3 Series I: With the setulae of the wings not arranged in distinct parallel rows; subcosta usually elongate. 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...