Rigoutorum, Hutchinson & Moeseneder & Mitchell, 2022

Hutchinson, Paul M., Moeseneder, Christian H. & Mitchell, Andrew, 2022, Rigoutorum a new genus for Diaphonia bacchusi Rigout and Allard (Coleoptera: Scarabaeidae: Cetoniinae: Schizorhinini), with description of a second species from Western Australia and notes on habitats and behaviours, Zootaxa 5150 (2), pp. 239-259 : 244

Key to species of Rigoutorum

1. Pronotum evenly, densely punctate. Pronotal pilosity dense, long. Males with pronotal lateral margin with maculation narrow and not full-length, or absent. Southeast region of southern Western Australia ......... R. bacchusi ( Rigout & Allard, 1997)

- Pronotum sparsely punctate medially, combination of micro and macro punctures. Pronotal pilosity sparse, shorter. Males with pronotal lateral margin with full-length maculation, 0.25 x width of pronotum (rarely not reaching anterior margin). Northwest region of southern Western Australia ....................................................... R. jakli new species