Possible Clues:

• Parasite in record dispute over millions
• Internal parasite
• Intestinal parasite
• Parasite in the gut
• Sucker takes a seat during hurricane, losing head
• Flat-bodied parasite that can grow to fifty feet long
• Primate in two remote marshes primarily an invasive species?
• The characters in 24 down fall out over starting movement with parasite
• Cestode parasite
• Human parasite