Diallus is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species: subgenus Diallus \n* Diallus gebehensis Breuning, 1957 \n* Diallus guttatus Pascoe, 1885 \n* Diallus lachrymosus Pascoe, 1866 \n* Diallus lugens Pascoe, 1866 \n* Diallus multiguttatus Breuning, 1947 \n* Diallus papuensis Breuning, 1960 \n* Diallus subtinctus Pascoe, 1866 subgenus Trichodiallus \n* Diallus papuanus Breuning, 1947 \n* Diallus quadrimaculatus Breuning, 1942