The term ITTY-BITTY PARASITE is a crossword solution that consists of two words: MITE (4 letters) and PARASITE (9 letters). MITE is a type of arachnid, which is related to spiders and ticks. They are very small, usually measuring less than 1 millimeter in length. PARASITE is an organism that lives on or in another organism, known as the host, and benefits from the host while causing harm to it. Together, these two words describe a very small PARASITE.