Rodents (wet insects), commonly known as tide insects, tide insects, coccidia, ground lice, ground lice, shoe-board insects, broken bottom (Henan dialect), skin-board insects, watermelon insects and so on. , belonging to the genus arthropoda, crustacea, Tididae. (Note: Rat wives are not insects) There are many kinds of rat wives. Most of them are oval, and they are the only crustaceans that are completely adapted to land life. They are distributed in the highlands from the seaside to about 5000 meters above sea level. Don't suck blood