You should say the larva of the bean moth, the bean worm. The bean worm is called Doudan, and the insect that grows on soybean is delicious when caught. The buried Doudan is especially unique in nutrition, which is cherished by Su Beiren and regarded as the best, so it is called "Dan". If it is called "pure green food" in today's fashionable language, our place is called pig and worm! Do you think it's not the kind in the picture?