Revision of the Australian species of Figulus MacLeay, 1819 (Coleoptera: Lucanidae) Monte, Cinzia Zilioli, Michele Bartolozzi, Luca Zootaxa 2016 4189 3 447 484 62SNY [817,911,645,671] Insecta Lucanidae Figulus Animalia Coleoptera 2 449 Arthropoda genus    1. Antenna with 10 antennomeres. Larger species (> 1 cm)....................................................... 2   -Antenna with 9 antennomeres. Smaller species ( 1 cmor less)..........................  F. lilliputanus Westwood, 1855   2. Anterior margin of pronotum with a tubercle ( Figs. 1, 12, 16, 20, 25)............................................. 3   -Anterior margin of pronotum trituberculate ( Fig. 30)....................................  F. trilobus Westwood, 1838   3. Mentumwith two bilateral, oval concavities ( Figs. 2, 17)...................................................... 4   - Mentumwithout two bilateral, oval concavities ( Figs. 9, 13, 21, 26, 31)......................................... 5   4. Labrum narrow and almost equilaterally triangular ( Fig. 16); anterior pronotal angles with a narrow rim ( Fig. 16)..................................................................................... …  F. regularis Westwood, 1834   -Labrum wide, short, and truncate or shallowly convex ( Fig. 1); anterior pronotal angles with a broad horizontal rim ( Fig. 1)..................................................................................   F. boileaui Bomans, 1989   5. Mentumwith two small tubercles at sides near the base ( Fig. 13)...........................  F. nitens Waterhouse, 1874   - Mentumwith two small tubercles present laterally ( Figs. 21, 26)............................................... 6   6. Head and pronotum sparsely and finely punctate ( Fig. 20); large subcircular punctures on the elytra ( Fig. 20)................................................................................................. ..  F. rossi Gahan, 1900   -Head and pronotum densely punctate ( Fig. 25); small suboval punctures on the elytra ( Fig. 25)..............................................................................................  F. sulcicollisHope in Westwood, 1845