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The coxae of the removed tick, Amblyomma testudinarium. (A) The coxa I has 2 medium-sized subequal spurs. The external spur (black arrow) is slightly longer than the internal one (white arrow). (B) The coxa II has a single salient ridge-like spur (arrow) which is broader than long. (C) The coxa III shows a single spur (arrow) which is very similar to that of coxa II. (D) The coxa IV has a single spur (arrow) that is longer than those of coxae II and III.
