The leeches belong to class Hirudinea in the phylum Annelida. They are Primarly blood suckers that have medical importance. Fresh water spencimens that caused annoyance and harm to people Attending samhoud canal in Qena Governorate were referred to Parasitological Department. Faculty of Medicine, South Valley University. Both morphological charactors and medical importance were discussed. It Was concluded that leech infestation ... إقراء المزيد