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Comparison of snap-jaw and biting mandible morphology. Finite-element models for (a) M. camillae major worker, (b) M. camillae minor worker, and (c) S. pallipes worker. All models were scaled to the same surface area to compare stress. Dorsal (left) and medial (right) views of each mandible displays the distribution of von Mises stresses. Peak von Mises stress and total strain energy are listed below. Contour plots are scaled to von Mises stress between 0 and 250 MPa.
