Fig. 2From: The loss of flight in ant workers enabled an evolutionary redesign of the thorax for ground labourConstraints of the wing muscles (purple) on the height of the furcae (blue) and volumes of neck (red) and petiole (green) muscles in thorax of Cataglyphis savignyi queen. a Sagittal section from micro-CT scan. Note the anterior and posterior phragmata in yellow. b Transverse section through mesothorax, showing the muscular connection (orange) between the mesofurca (blue) and the lateral thoracic walls. T1–3, pro-, meso-, and metathorax respectively. IA, propodeum. F1–3, pro-, meso-, and metafurca respectively. Cx1–3, fore-, mid-, and hindcoxa respectivelyBack to article page