Key to Sauvagesinella species

1. Elytra with striae 8 situated in a deep groove for entire length, adjacent to epipleurae; pronotum with anterolateral angles not prominent, sides parallel; male without tubercle on metaventrite; aedeagus as in Fig. 12 B; hind wings reduced or absent; South Australia ............................................ Sauvagesinella loftyensis Matthews & Weir new combination

- Elytra with striae 8 situated only in a groove towards apex; pronotum with anterolateral angles prominent, widest at this point and narrowing basally; male with tubercle on metaventrite; hind wings fully developed or reduced; Western Australia ...... 2

2. Dorsal surfaces uneven, finely rugulose, glabrous; Elytra with intervals 2, 4, 6, wider than intervals 1, 3, 5 and with large rounded swellings and depressions; male with depression behind tubercle on metaventrite; aedeagus as in Fig. 12 C; hind wings fully developed............................................................ Sauvagesinella monstrosa Paulian

- Dorsal surfaces smooth or only feebly irregular, nitid, or reticulate with numerous setae, at least on elytra; elytral intervals of same width, without swellings or depressions; male without depression behind tubercle on metaventrite................. 3

3. Anterior angles of pronotum rounded, somewhat hooked with point directed outwards; mesometasternal suture with a small, median, acute projection; elytra with epipleura smooth or with a few irregularities; male protibiae with inner notch before expanded apex; aedeagus as in Fig. 12 A; hind wings fully developed..................... Sauvagesinella becki (Paulian)

- Anterior angles of pronotum quadrate, sharp; mesometasternal suture without or with extremely minute, median projection; elytra with epipleura distinctly wrinkled; male protibiae without inner notch before expanded apex; aedeagus as in Fig. 12 D; hind wings reduced........................................................ Sauvagesinella palustris Matthews