Key to Australian species of Cnemoplites

1. Antennal scape much longer than antennomere 3; metatarsomere 5 as long as 1–3 combined; meso- and metatibia without spines along lateral margin......................... C. cephalotes

–. Antennal scape as long as or shorter than antennomere 3; metatarsomere 5 shorter than 1–3 combined; meso- and metatibia at least with some spines along lateral margin;........................ 2

2. Elytron with apicosutural angle blunt; tarsomere 3 with large lobe....................... C. edulis

–. Elytron with apicosutural angle spinose; tarsomere 3 with small lobe............................ 4

3. Body relatively small, usually about 30–35 mm, dorsum dark brown to black; pronotum posterior angle acute, disc surface coarsely and densely punctate................................ C. argodi

–. Larger body, usually longer than 40 mm, never with the combination characters as above........... 4

4. Elytral surface with shiny irregular sculpture and with few weak costae; antennomere 3 as long as scape, posteriorly extends to mid pronotum; male with very extensive setal patches on abdomen (Fig. 6L)................................ C. gahani

–. Elytral surface laterally with small and shiny nodules on rather matt background; antennomere 3 longer than scape, extends to posterior margin of pronotum; male without setal patches on abdomen................................... 5

5. Protibia very long, elytra 2–2.5 times of protibia length..................... C. cnemoplitoides

–. Protibia shorter, elytra at least 3 times of protibia length............................ C. australis