Descriptions of three new species of jumping-spiders, genus Arnoliseus (Araneae, Salticidae), from Rio de Janeiro state, Brazil, with comments on their genital morphology and a key to species

Arnoliseus carioca sp. nov. A. Male holotype chelicerae, ectal view exposing the apophyses (MNRJ 60024). B–F. SEM images: B. Left male palp, ventral view (UFRJ 1577); C. Left male palp, retrolateral view (UFRJ 1577); D. left male palp, embolus detail (UFRJ 1577); E. Left male palp, RTA detail (UFRJ 1577); F. Female internal genitalia, dorsal view (UFRJ 1581). Scale bars: 0.5 mm (A); 0.1 mm (B); 0.2 mm (C); 0.05 mm (D–F). White arrow points to the embolus pore.