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

Primary type information: Primary type material: holotype worker. Primary 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). Primary type depository: CASC. Primary type specimen: CASENT0638281. Secondary type information: Secondary type material: paratype workers (number not stated). Secondary type locality: same as for holotype. Secondary type depositories: CASC, FMNH, DZUP, JTLC, LACM, MCZC, UCD, UNAM, USNM.