One new species of Indocloeon Müller-Liebenau from Brunei, I. spathasetissp. n., and one new species from Indonesia, I. timorensesp. n., are described and illustrated based on their larvae. The total number of known Indocloeon species increases from two to four and the generic attributes of the larvae are amended based on the examination of the new species. Results on the genetics of some species (COI) as well as comments on the distribution of I. indonesiae Kluge are also provided.
Keywords: Brunei; COI; Indonesia; Oriental Region; distribution; taxonomy.