Mapping Patterns of • Diversity for Beetles Across the Western Amazon Basin: A Preliminary Case for Improving Inventory Methods and Conservation Strategies Terry L. Erwin, Maria Cleopatra Pimienta, Oscar E. Murillo, and Valeria Aschero Reprinted from the Proceedings of the California Academy of Sciences, ser. 4, 56(Suppl. I) 3 June 2005