Morphology: Adults Necator americanus eridanus Female Females are 9-11 mm in length by 0. 4 mm in diameter 冷 Males are7-9mmby0.3 mm Smaller than A, duodenale .o A pair of semilunar cutting plates on the ventral wall of the buccal capsule 1mmMorphology: Adults Necator americanus ❖ Females are 9-11 mm in length by 0.4 mm in diameter ❖ Males are 7-9 mm by 0.3 mm ❖ Smaller than A. duodenale ❖ A pair of semilunar cutting plates on the ventral wall of the buccal capsule