The subtribe Mesocoelina Viereck is redefined, the three genera and their species are keyed, (re)described and illustrated. One new genus (Plesiocoelus gen. nov.; type-species: Plesiocoelus bassiformis spec. nov. from C. America) and four new species are described. Aneurobracon Brues, 1930 is removed from synonymy with Mesocoelus Schulz, 1911 and used as valid genus in this paper. Additionally the aberrant Bassus reductus spec. nov. from Panama is described.

Additional Metadata
Keywords Braconidae, Agathidinae, Agathidini, Mesocoelina, Aneurobracon, Mesocoelus, Plesiocoelus, keys, Neotropical, Afrotropical, Indo-Australian, Pacific
Journal Zoologische Mededelingen
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Released under the CC-BY 4.0 ("Attribution") License

Citation
van Achterberg, C. (1990). Revision of the subtribe Mesocoelina Viereck (Hymenoptera: Braconidae). Zoologische Mededelingen, 64(4), 31–57.