Four braconid species from Madagascar described by Ch. Granger and G. Szépligeti in the genus Bracon are reclassified. A new genus, Grangerbracon gen. nov. (Braconidae: Braconinae) with the type species Bracon quinqueareolatus Granger, 1949, is described and illustrated. Bracon biareolatus Granger, 1949 and B. madagascariensis Szépligeti, 1913 are assigned to the genus Sculptolobus Yang, van Achterberg et Chen, 2008. Bracon griseopubescens Granger, 1949 is attributed to the subgenus Asiabracon Tobias, 1957. The lectotype for Bracon quinqueareolatus Granger is designated. All the listed species are redescribed, illustrated and their position is discussed.