Cowpea Caterpillar

Cowpea Caterpillar

　　In Guanyun, there is a small creature commonly known as dou dan, which is a local delicacy.

　　Dou dan, scientifically called the cowpea pod borer, has an elegant body shape resembling a silkworm. The adult is about 5 centimeters long, tender green in color, with a darker head and a tail horn. Starting from the first abdominal segment, there are seven pairs of white lines on both sides. It damages bean leaves, gnawing holes in them, and in severe cases, the plants become bare stalks that cannot bear pods.

　　Although the cowpea caterpillar is a natural enemy of soybeans, its flesh is non-toxic and harmless. It is an excellent high-protein food. When cooked into dishes, it is very delicious and is said to have special therapeutic effects for stomach cold conditions and malnutrition. When fried, the caterpillar’s skin becomes crisp and aromatic, offering an exceptionally tasty experience. There are various ways to prepare dou dan as a dish—braised, made into soup, stir-fried, or even deep-fried as crispy skin on a plate—all of which are a delight to the palate.

　　Southerners, who often consider it a bug, usually dare not or are unwilling to eat it, but they often praise it highly after trying it. Nowadays, dou dan has become popular in high-end restaurants across the Huaihai region and is no longer exclusive to Guanyun. However, the preparation methods and flavors are still considered best in Guanyun. Especially during winter, when digging up the caterpillars from the bean fields, the skill of Guanyun chefs in removing the earthy taste and enhancing its fragrance and flavor is particularly notable.