SEM of Cathayacanthus spinitruncatus n. sp. from Leiognathus equulus. 31. Fully everted proboscis of a paratype female. 32. The long neck and anterior trunk of the same specimen in Figure 31 showing the sharply decreasing size of trunk spines. 33. The bald apical end of the proboscis in one specimen. 34. A lateral view of the anterior end of the proboscis of a paratype female showing the differentiation between the ventral hooks (right) and dorsal hooks (left). 35. The differentiation between ventral hooks (right) and dorsal hooks (left) at the middle of the proboscis of the same specimen in Figure 34. 36. A close-up of hooks showing their longitudinally ribbed surface.