In 1959, Dr. H. A. VAN HOOF, being detached at the time as virologist to the Agricultural Experiment Station in Paramaribo, Surinam, sent to me a small collection of Cecidomyids for identification. The midges were bred from leaf galls on Hura crepitans L. and on Manihot utilissima Pohl. An examination showed that the gall midge from Hura was undescribed. According to HARRIS’ classification (1966), it belongs to the subfamily Cecidomyiinae, supertribe Cecidomyiidi, tribe Contariini. It resembles most the genus Zeuxidiplosis; however, it is different because of the wing venation, the insertion of the third palp segment, the somewhat triangular lobes of the ovipositor and because the female antennal segments do not have long necks and long circumfilar loops. Therefore I should like to introduce a new genus, Huradiplosis, based on the host plant on which the type-species occurs.