Key to females of Tuberculobasis

(Females of T. arara, T. geijskesi, T. guarani, T. karitiana, and T. macuxi unknown)

1. With mesepisternal tubercles (Figs 48, 49, 52)............................................................................................................. 2

1´. Without mesepisternal tubercles (Figs 50, 51, 53) ....................................................................................................... 5

2. Mesepisternal tubercles not visible in dorsal view (Fig. 47) and scarcely visible in dorso-lateral view. Vulvar spine of S8 absent (Fig. 95) ................................................................................................................................. T. cardinalis

2´. Mesepisternal tubercles visible in dorsal view (Figs 48, 49, 52). Vulvar spine of S8 present (Figs 96–100).............. 3

3. Mesepisternal tubercles connected with anterior margin of mesostigmal plate (Fig. 52) ....................... T. williamsoni

3´. Mesepisternal tubercles not connected with the anterior margin of mesostigmal plates (Figs 48, 49) ....................... 4

4. Median lobe of hind prothoracic lobe depressed and poorly defined (Fig. 49).............................................. T. inversa

4´. Median lobe of hind prothoracic lobe elevated and well defined (Fig. 48).............................................. T. costalimai

5. Median lobe of hind prothoracic lobe separated from lateral lobes by two deep concavities (Figs 51, 53). ............... 6

5´. Median lobe of hind prothoracic lobe separated from lateral lobes by two shallow concavities (Fig. 50).................... ................................................................................................................................................................. T. mammilaris

6. Hind margin of mesostigmal plate curved anteriorly and laterally to form a C-shaped structure (Fig. 51)......... T.tirio

6´. Hind margin of mesostigmal plate not curved to form a C-shaped structure (Fig. 53) .............................. T.yanomami