Important Groups of Human Parasites Helminthes(multice Protozoa(unicell Arthropoda llular uar mosqUito Nematode Amoeba Fly ■ Trematode Flagellate Tick ■ Cestode peridium ·Mite Acanthocephala. Ciliate Bug Fle ea lceImportant Groups of Human Parasites Helminthes(multice llular) ◼ Nematode ◼ Trematode ◼ Cestode ◼ Acanthocephala Protozoa(unicell ular) • Amoeba • Flagellate • Sporidium • Ciliate Arthropoda • Mosquito • Fly • Tick • Mite • Bug • Flea • Lice