Rasopone titanis New Species

(Fig. 13; Supp Fig. S33 [online only])

HOLOTYPE: 1 worker, Mexico, Chiapas, Ocosingo, 16.906 −92.099 ±?, 2-vi-1969, around waterfall, ex sifted leaf litter, J. M. Campbell [MCZC, unique specimen identifier MCZ-ENT00716640] . PARATYPES: same data as holotype [1 worker, UNAM, MCZ-ENT00716641; 1 worker, USNM, MCZ- ENT00716642; 1 worker, MCZC, MCZ-ENT00716659] .

Geographic range. Mexico (Chiapas).

Diagnosis

Mandible smooth; anterior clypeal margin sinuous; side of head lacking erect setae; petiolar node tapering. Differing from R. rupinicola (Fig. 13; Supp Figs. S30 and S31 [online only]) in more robust mesosoma and more tapering petiolar node.

Measurements, worker: HW 1.67, HL 1.80, SL 1.45, PTL 0.64, PTH 1.09, CI 93, SI 87, PTI 58 (n = 1).

Comments

This species is known from one series of four workers. The locality is simply ‘Ocosingo’ and there is no habitat or microhabitat information. It is one of the largest species in the genus.