Mystrium eques Yoshimura & Fisher, 2014: 69, figs. 18B,D,F, 21A, 22A, 50A, 51A, 52A, 53A, 54A, 55A, 56A (w.eq.) MADAGASCAR. Malagasy.

Primary type information: Type-material: holotype worker. Type-locality: Madagascar: Toamasina, Tampolo, Masoala Peninsula, 40.4 km. 154° SSE Maroansetra, -15.73°, 49.96°, 30 m., 28.xi.-3.xii.2001, BLF04691, (B.L. Fisher & H.J. Ratsirarson). Type-depository: CASC. Type-specimen: CASENT0418314. Secondary type information: Paratype-material: 13 paratype workers, 5 paratype ergatoid queens. Paratype-locality: same as for holotype. Paratype-depositories: BMNH, CASC, MCZC, MHNG, MNHN, MNHU, MSNG, NHMB. Paratype-specimens: CASENT0317390 to CASENT0317399, CASENT0317443, CASENT0418311 to CASENT0418318.