Tetramorium dysalum, Bolton, 1979

Francisco Hita Garcia, T. T. & Fisher, Brian L., 2011, 3039, Zootaxa 3039, pp. 1-72 : 60-62

Tetramorium dysalum species group

Diagnosis

Eleven-segmented antennae; anterior clypeal margin medially impressed; frontal carinae well-developed and usually ending close to posterior head margin; anterior face of mesosoma not well-developed and no distinct anterodorsal angle present; mesosoma moderately to strongly marginated, dorsum sharply separated from lateral mesosoma; propodeal spines usually long to very long, elongate-triangular to spinose, and often thick, stout, and curved; propodeal lobes triangular and short; petiolar node in profile squamiform and anteroposteriorly compressed to high nodiform, in profile much higher than long, in dorsal view typically distinctly wider than long, anterior and posterior faces sometimes parallel, positions of anterodorsal and posterodorsal angles variable; postpetiole roughly rounded to weakly anteroposteriorly compressed; mandibular sculpturation variable; cephalic sculpturation distinct and predominantly longitudinally rugose; mesosoma with distinct sculpturation; at least one waist segment sculptured, sculpturation often very weak but always present; gaster generally unsculptured, smooth, and shiny; all dorsal surfaces of head, mesosoma, waist segments, and first gastral tergite with few to abundant standing hairs, never short, dense, and appressed; sting appendage spatulate.