Rhopalothrix megisthmica Longino & Boudinot, 2013: 313, figs 1B, 2C, 3F, 9, 16 (w.) GUATEMALA. Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Guatemala: Zacapa, 2 km. SE La Union, 14.94460, -89.27726, ±57 m., 1550 m., 12.v.2009, cloud forest, ex sifted leaf litter (LLAMA#Wm-B-03-1-05). Primary type depository: CASC. Primary type specimen: CASENT0612564. Secondary type information: Secondary type material: 7 paratype workers. Secondary type localities: paratypes with same data as holotype but 14.94665, -89.27539, ±50 m. (LLAMA#Wa-B-03-1-04), 14.94677, -89.27585, ±50 m. (LLAMA#Wa-B-03-1-07), 14.94723, -89.27707, ±50 m. (LLAMA#Wa-B-03-1-45), 14.95372, -89.27618, ±50 m., 1430 m. (LLAMA#Wa-B-03-2-31), paratype workers 3.5 km. SE La Union, 14.95, -89.27, 1500 m., 4.vi.1991, #RSA91-050 (R.S. Anderson). Secondary type depositories: CFSS, EAPZ, LACM, MCZC, UNAM, USNM, UVGC.