Syscia jennierussae Longino & Branstetter, 2021: 25, figs. 10, S24-25 (w.q.eq.) MEXICO (Chiapas). Neotropic.

Primary type information: Type-material: holotype worker. Type-locality: Mexico: Chiapas, Playón de la Gloria, 16.16118 −90.90127 ±50m, 160m, 24.vi.2008, mature wet forest, ex sifted leaf litter, Wa-A-09-1-45 (LLAMA). Type-depository: UNAM. Type-specimen: CASENT0609668. Secondary type information: Paratype-material: paratype workers (number not stated), paratype queen/s (number not stated), paratype intercaste female/s (number not stated). Paratype-locality: same data as holotype except 16.16021 −90.90145 (Wa-A-09-1-22), same data as holotype except 16.16133 −90.90116 ±50m, Wa-A-09-1-49 (LLAMA), same data as holotype except 16.15929 −90.90155 ±200m, 26.vi.2008, Wm-A-09-1-all (LLAMA). Paratype-depositories and specimens: CASC; JTLC: CASENT0610036; MCZC; USNM: CASENT0609670.