Figure 21. Onychodiaptomus hesperus Wilson & Light. Male. (a-b) 5th legs, posterior view; (a) (redrawn after Wilson & Light 1951); (b) (redrawn after Wilson 1959); (c-e) detail left leg, exopod 2; (c) anterior view; (d) posterior view; (c-d) (redrawn after Wilson & Light 1951); (e) posterior view (redrawn after Wilson 1959).