Abstract
Chactopsis amazonicus, new species (Scorpiones, Chactidae) is described based on 11 specimens
(6 males and 5 females), collected in Reserva Ducke and in the Tarumã-Mirím area (Manaus region),
State of Amazonas, Brazil. C. amazonicus is the fifth species described for the genus and the second
one mentioned for Brazil. Some comments concerning the taxonomic position and the geographic
distribution of the species are also included.