Arnoliseus hastatus sp. nov., male holotype (MNRJ 60027). A. Dorsal habitus. B. Ventral habitus; C. Lateral habitus; D. Frontal habitus; E–G. Left palp: E. Prolateral view; F. Ventral view; G. Retrolateral view, exposing the RTA. Scale bars: 2 mm (A–C); 1 mm (D); 0.2 mm (E–G). Arrow points to RTA hook.

 
 
  Part of: Baptista RLC, Castanheira PS, Oliveira GA, Prado AW (2020) 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. Zoosystematics and Evolution 96(1): 73-90. https://doi.org/10.3897/zse.96.46509