A really odd tribe Tribe Corythoderini
A beetle with a handle on its back !
https://www.newscientist.com/article/dn22526-zoologger-the-beetle-with-a-handle-on-its-back/
https://www.researchgate.net/publication/267263736_A_new_genus_and_species_of_flightless_microphthalmic_Corythoderini_Coleoptera_Scarabaeidae_Aphodiinae_from_Cambodia_associated_with_Macrotermes_termites