Two acarologistas, Dr. Dinarte Gonçalves and MSc. Matheus Rocha dos Santos, are visiting the INPA, for a period of 20 days, through collaboration with Dr. Elizabeth Franklin and Dr. José Wellington de Morais, the CBio. The research goal is to discover and describe new species of Cunaxidae family and Mesostigmata order in natural environments of the Amazon rainforest through biological material collected by Systematics Laboratory and Soil Invertebrate Ecology.