This is a bed bug, the famous name is the black bug, which is a black bug from the order Hemiptera, suborder Heteroptera, and family Stinkidae. It is a flying blue-black insect, the size of a fingernail, and shaped like a water turtle. In spring and summer, it crawls on the stems and leaves of crops to suck slurry. If you accidentally touch it, it will emit a smelly and unpleasant gas, which makes people avoid it. As a result, it becomes a "stinky board bug" or a "butt bug". "bug" or "slap bug". Piba Chong contains nine-flavored insect oil. Once fried, it is a delicious medicinal delicacy that can cure diseases and prolong life. Therefore, it has won the reputation of "Nine-flavored Chong".