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ALS spinning field of selected instars of Dolomedes tenebrosus and Hogna carolinensis: (A) D. tenebrosus 3rd instar left ALS; (B) H. carolinensis 4th instar (left ALS); (C) H. carolinensis 5th instar (left ALS); (D) D. tenebrosus 8th instar (left ALS); (E) D. tenebrosus 12th instar (right ALS, penultimate female). MAP, Major ampullate gland spigot.
