Key to species of Geitogonalia

1 Dorsum dark brown to black with contrasting orange markings. Male pygofer with posterior margin narrowly rounded; paraphyses with elongate rami. Female sternite VII with concavities on posterior margin adjacent to dentiform projection........................................................................... G. quatuordecimmaculata (Taschenberg)

- Not as above......................................................................................... 2

2 Anterior dorsum ground color dark brown to black, with greenish-yellow markings. Aedeagus elongate, strongly constricted apically, with pair of spiniform apical processes directed dorsally...................... G. viridis Mejdalani & Cavichioli

- Anterior dorsum yellow. Aedeagus not as above............................................................. 3

3 Pronotum without markings (Fig. 15). Male pygofer posterior margin, in lateral view, subquadrangular with lateral angles rounded (Fig. 18). Aedeagus with preatrial process; shaft very short, with pair of apical horn-shaped processes curved dorsally, longer than atrium and shaft together (Fig. 20).................................................... G. piei sp. nov.

- Pronotum with black transverse stripe posteriorly. Male pygofer posterior margin, in lateral view, broadly rounded. Aedeagus not as above.......................................................................................... 4

4 Lorum black; clypeus with irregular black border (Fig. 3). Aedeagus shaft elongate and with apical third strongly curved ventrally, apex with pair of strong horn-shaped processes directed anteriorly (Fig. 8). Female abdominal sternite VII, in ventral view, with posterior margin convex and bearing dentiform median projection (Fig. 10)................ G. buccina sp. nov.

- Lorum and clypeus completely yellow (Fig. 24). Aedeagus shaft short and stout, apex dorsally and ventrally with pair of hornshaped processes directed anterodorsally and anteroventrally, respectively (Fig. 29). Female abdominal sternite VII, in ventral view, with posterior margin concave on each side of dentiform projection (Fig. 31).................. G. tetracorni sp. nov.