As part of their ongoing survey of spiders and other arachnids from REGUA, Dr Renner Baptista and his students from the Federal University of Rio de Janeiro have described two new jumping-spiders (Salticidae) from the reserve: Arnoliseus hastatus and Arnoliseus falcatus.
Both species belong to the Arnoliseus, a genus of Brazilian jumping-spiders described only as recently as 2002. To date, both of these new species are known only from REGUA.
These additions bring the number of spiders recorded at REGUA to an astonishing 425 species, and Renner reports that the species richness at REGUA is still is going up fast! A species list for REGUA will be published on our website soon.
To read the paper describing the new species click here.