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Scanning electron microscopy of N. brasiliensis. (A, B) Anterior portion of male mouth. (C) Tail portion of a male with copulatory bursa. (D, E) Anterior portion of female. (F) Striations on the female body. Scale bars (A) and (D)=10 μm; (B), (C) and (F)=20 μm; (E) 2 μm.
