part_of waist postpetiole SIBO:0000485 sibo Postpetiole- The third abdominal segment. In strict usage the term should only be applied when the third abdominal segment is reduced and separated from the petiole in front and the fourth abdominal segment behind. See also Abdomen (Bolton, B. (1994). Identificstion guide to the ant genera of the world. Cambridge, Mass., Harvard University PRess. pp.1-222). ilma 2007-12-20T03:29:00Z