Microdus melanostoma Cameron, 1887:401, ♂. ♂, Panama, Bugaba (leg. Champion); Meierotto et al., 2019Meierotto,S., M. Sharkey & C. van Achterberg 2019. Taxonomic review of the genera Zelomorpha Ashmead and Hemichoma Enderlein (Hymenoptera, Braconidae, Agathidinae) with new combination assignments. Zootaxa 4565:131-137.:135, Type ♂ = ♀ (NHMUK, 3xc.963). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl.:401 (listed); Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. - IV: Braconidae. Sumptibus Guilelmi Engelmann, VIII + 323. (distribution). - As Zelomorpha melanostoma: - Coronado et al., 2016Coronado-Blanco, J. M., J.I. Figueroa-De la Rosa, C.E. Sarmiento-Monroy, E. Ruíz-cancion & A.I. Khalaim 2016. Agathidinae (Hymenoptera: Braconidae) de México, incluyendo nuevos registros. CienciaUAT 2 (1):6-21. (distribution); Meierotto et al., 2019Meierotto,S., M. Sharkey & C. van Achterberg 2019. Taxonomic review of the genera Zelomorpha Ashmead and Hemichoma Enderlein (Hymenoptera, Braconidae, Agathidinae) with new combination assignments. Zootaxa 4565:131-137. (distribution), 135 (comb. nov.).