Syscia madrensis Longino & Branstetter, 2021: 28, figs. 11, S33 (w.) U.S.A. (Arizona). Nearctic.

Primary type information: Type-material: holotype worker. Type-locality: U.S.A.: Arizona, Vista Pt., 3.5 km SSW Portal, 31.88506 −109.17339 ± 1 km, 1560m, 13.viii.2003, nest under stone (J.L. Smith & E.M. Sarnat). Type-depository: CASC. Type-specimen: CASENT0638281. Secondary type information: Paratype-material: paratype workers (number not stated). Paratype-locality: same as for holotype. Paratype-depositories: CASC, FMNH, DZUP, JTLC, LACM, MCZC, UCD, UNAM, USNM.