**5. Acknowledgment**

Dr. Maria de Lourdes T.M. Polizeli and Dr Hamilton Cabral are Research Fellows of CNPq. Dr Simone C. Peixoto-Nogueira, Dr Tony M. Silva and Dr Alexandre Maller are recipients of FAPESP Fellowship. This chapter concerns research data of the project National System for Research on Biodiversity (SISBIOTA-Brazil, CNPq 563260/2010-6/FAPESP number 2010/52322-3). We thank Dr. Abilio for the English technical assistance.
