Grains (beans, peanuts, walnuts, etc.), flour, and noodles are also included, so it doesn’t matter. It won't hurt anyone. If you really have a shadow in your heart, clean up all the food items and clean the cabinets containing the food, and you can basically eliminate them.

The body is reddish brown, and the adult has a square back. There are usually two types: red castaneum and mixed castaneum. Like the rice bug, the castaneum also likes to hide in corners. When the temperature rises to 28-30°C, they reproduce in large numbers, and each female can lay 1,000 eggs.

Therefore, when you see them in flour, there are already a lot of them, which will accelerate the flour to become moldy and make it inedible. In addition, Tribolium castaneum can also appear in ginseng supplements, rice, corn, koji and other items, which will affect the consumption of these foods.

Extended information:

Tribolium castaneum belongs to the order Coleoptera and is an intermediate insect pest between early stage pests and late stage pests. Distributed around the world, it occurs in all provinces, municipalities and autonomous regions in China except Tibet.

The food habits are very complex and can harm corn, rice, rice, wheat, sorghum, beans, oilseeds, dried fruits, medicinal materials, distiller's yeast, as well as flour, bran, rice bran, bean cakes, dried fish, dried meat, and leather. , silkworm cocoons, insect specimens, etc. It harms not only raw grains, but also flour and cereal flour. The adult worms have odorous liquid secreted by their odor glands. The damaged grains will also be contaminated, giving off a fishy, ??moldy odor, making them unfit for consumption.

Baidu Encyclopedia - Tribolium castaneum