The Ceratocanthinae of Madagascar and Comoro Islands: a revision of the genera Synarmostes and Goudotostes, and of the flightless Philharmostes, with description of 64 new species (Coleoptera: Scarabaeoidea, Hybosoridae). Fragmenta Entomologica, 53(2) 2021: 105-282. 248 [Zoological Record Volume 158]