Fig. 33 in A phylogenetic analyis of ant morphology (Hymenoptera: Formicidae) with special reference to the poneromoprh subfamilies

Fig. 33. Helcium location relative to postsclerites, left profile view. Dotted lines correspond to the position of the longitudinal body axis relative to the metasoma. A. Odontomachus bauri, infraaxial helcium. B. Adetomyrma sp. 1, supraaxial helcium. C. Ectatomma tuberculatum, axial helcium. After Perrault (2004), see text for explanation. Abbreviations: IIIS, sternum of third abdominal segment; IIT, tergum of petiole; IIIT, tergum of third abdominal segment; IV, fourth abdominal segment.