3039 Author Francisco Hita Garcia, T. T. Author Fisher, Brian L. text Zootaxa 2011 2011-09-22 3039 1 72 journal article 1175­5334 Tetramorium schaufussii species group FIGURE 31. Tetramorium xanthogaster Santschi, 1911 CASENT0102400 (April Nobile 2005). A. body in profile. B. body in dorsal view. C. head in full-face view. FIGURE 32. Tetramorium naganum Bolton, 1979 CASENT0102346 (April Nobile 2005). A. body in profile. B. body in dorsal view. C. head in full-face view. Diagnosis Eleven-segmented antennae; anterior clypeal margin medially impressed; frontal carinae variable; anterior face of mesosoma only weakly developed and rounding onto the dorsum; margination between lateral and dorsal mesosoma weak; propodeal spines triangular and short to absent; propodeal lobes triangular and short; petiolar node in profile rounded high nodiform, rarely weakly antero-posteriorly compressed, anterior and posterior faces of the node roughly parallel, and all sides rounding smoothly onto the dorsal face without distinct angles, in profile much higher than long, in dorsal view mostly as wide as long; postpetiole roughly rounded; mandibles usually unsculptured, smooth, and shiny; cephalic sculpturation distinct and predominantly longitudinally rugose; mesosoma with distinct sculpturation; waist segments and gaster unsculptured, smooth, and shiny; all dorsal surfaces of head, mesosoma, and waist segments with sparse to abundant long, fine hairs; first gastral tergite usually with scattered to dense, appressed to decumbent pubescence, rarely absent; often pubescence mixed with standing medium-sized pilosity; sting appendage spatulate.