Experts offer the most sweeping reference available on the subject of North American beetles. Their rigorous standards for the presentation of data create a con

The present publication is the result of several years study of Actenodes and Chrysobothris and comprises all the species of these genera found in the mainland

"Beetles are incredibly diverse, with over 23,000 named species in the United States alone. They take on all hues, shapes, and sizes, from the iridescent green