Odontomachus haematodus microcephalus Emery, 1890 junior synonym of current valid taxon Odontomachus bauri Emery, 1892
Odontomachus haematodes var. microcephalus [sic] Emery, 1890c: 45, pl. 5, fig. 1 (w.) Note: haematodes is a misspelling of Odontomachus haematodus. COSTA RICA. Neotropic.
Primary type information: Type-material: syntype workers (number not stated). Type-locality: Costa Rica: Alajuela, 1889 (A. Alfaro). Type-depository: MSNG.
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