The new species Chiodecton applanatum, known only from the type locality in Peninsular Malaysia, is described. Chiodecton leptosporum is reported as new to Malaysia. Chiodecton congestulum and Dichosporidium boschianum are new to Peninsular Malaysia. Earlier reported collections of Chiodecton, Dichosporidium and Erythrodecton from all Malaysia are included and the distribution of the species in Malaysia is summarized