FIGURES 1–4 in Testing the biogeographical regionalization of the Mexican Transition Zone based on the distribution of Curculionidae (Insecta: Coleoptera)

FIGURES 1–4. Areas and microareas of endemism for the MTZ defined using PAE. 1, areas of endemism for the whole MTZ. 2, microareas of endemism for the whole MTZ. 3, areas of endemism for each province of the MTZ. 4, microareas of endemism for each province of the MTZ. SMOC, Sierra Madre Occidental; SMOR, Sierra Madre Oriental; TVB, Transmexican Volcanic Belt; SMS, Sierra Madre del Sur; CHIS, Chiapas Highlands.