Choose incorrect statement about excretory organs of Pheretima?

In Pheretima, the nephridia are absent in 1st and 2nd segments, but present in anal segment, pygidium.As septal nephridia have nephrostomes, they can collect the nitrogenous wastes from coelomic fluid also in addition to blood.Nephridia help in excretion and osmoregulation.As integumentary nephridia are exonephric type, they discharge the wastes through nephridiopores found on the body surface.