Australian genera and species in the tribes Odontolochini, Psammodiini, Rhyparini, Stereomerini and part of the Eupariini (Coleoptera : Scarabaeoidea : Aphodiinae)

One tribe, Odontolochini, and three genera, Airapus, Euparotrix and Gongrolophus, are described as new. Fifty species are discussed, keyed and illustrated; in addition, Airapus sumatrae (Fairmaire) from Sumatra is illustrated. Included in the above are 14 species described as new: Airapus bruxnerensis, NSW; A, burrundieae, Qld; A. henriettae, Qld; Australammoecius peckorum, NT; Cnematoplatys tozerensis, Qld; Gongrolophus storeyi, Qld; Leiopsammodius newcastleensis, NSW; Odontolochus monteithi, NSW, Qld; O . weiri, NSW, Qld; Rhyparus ironensis, Qld; Saprosites bunyaensis, Qld; S. clydensis, NSW, Qld, Vic.; S. mistakensis, Qld; S. porongurupae, WA. One genus and 14 species are synonymised: Neosaprosites Endrodi (= Cnematoplatys Schmidt); Aphodopsammobius matthewsi Rakovic [= rugicollis (Macleay)]; Ataenius consors Blackburn [= Australammoecius goyderensis (Blackburn)]; A. consobrinus Petrovitz, A. latericollis Lea and A. spissus Blackburn [= Australammoecius occidentalis (Macleay)]; Australammoecius australis Petrovitz, A. bicolor Petrovitz, A. brunneus Petrovitz and A. granuliceps Petrovitz (= persimilis Lea); A. demarzi Petrovitz (= coloratus Blackburn); A. flavipennis Petrovitz [= Aphodopsammobius zietzi (Blackburn)]; Euparia acutula Schmidt [= Airapus sumatrae (Fairmaire)]; E. olliffi Blackburn [= Airapus obscurus (Macleay)] and Rhyssemus australis Petrovitz [= inscitus (Walker)].