Genus Macrognathotermes Miller

Macrognathotermes Miller, 1991: 1256 .

Type-species, by original designation: Macrognathotermes errator Miller, 1991: 1256 .

Diagnosis. Soldiers of this genus are characterized by the following characters (Figs 25–26): frontal projection well developed; lateral tubercles usually present, sometimes reduced or absent; mandibles very long and slender; postmentum projecting only slightly below the head capsule; antennae 14-segmented; tibial spurs 2:2:2. Monomorphic workers. Worker left mandible index> 1.5, usually> 2.0 (Figs 28). Enteric valve cushions of alternating size, slightly asymmetrical, with numerous small spines. Worker digestive tract with P1 enlarged, P3 subdivided into a posterior and an anterior section of the same size (Fig. 63). For additional description see Miller (1991).