Sheeptick is a term that refers to an insect that feeds on sheep. However, there are several other synonyms that are commonly used to describe this type of insect, including sheep keds, sheep lice, and sheep mites. Each of these terms refers to a different species of insect that is commonly found on sheep around the world. While these insects are not harmful to humans, they can cause significant discomfort and irritation for sheep, leading to reduced health and productivity. Farmers and shepherds must be vigilant in controlling the populations of these insects to ensure the health and well-being of their flocks.