Group adisi

Diagnosis. The adisi group differs from the quadrivittata group by the palp with a absence of prolaterally modified cymbial spine, transversal triangular ventral tegular projection with wide base and pointed apex, embolus short, with a basal embolar apophysis; female epigynum with lateral borders of anterior field inconspicuous and internally with short copulatory ducts (Figs 1F, J; 3G–I; 4C, F; 5G, H; 6C, F; 7C, F; 8C).

Composition. O. adisi, O. lupercioi sp. nov., O. chica sp. nov., O. duovizinhense sp. nov. and O. aparecida sp. nov.