Where can bean worm seedlings be bought, and how should they be cultivated?

The bean worm, also called the bean cicada, with the scientific name Clanis bilineata (bean hawkmoth), is called doudan in northern Jiangsu for its larvae, and is widely distributed in Liaoning, Henan, Shandong, Hebei, Jiangsu, Sichuan, and Jiangxi, among other places. In recent years, some people have found that the protein content of bean worms is higher than that of fish, and they also contain large amounts of trace elements. They can be processed and dried for use as medicinal material, or stir-fried as a dish, and have a certain value in food therapy. So quite a few farmers have started raising bean worms. So where can bean worm seedlings be bought? How should bean worm seedlings be cultivated? Let's take a look together with the editor below.

1. Where can bean worm seedlings be bought?

Below, the editor of Nongxun Web has simply compiled some of today's bean worm seedling prices: bean worm seedlings in Guanyun County, Lianyungang City, Jiangsu, at 100 yuan/jin; bean worm seedlings in Haizhou District, Lianyungang City, Jiangsu, at 100 yuan/jin; bean worm seedlings in Luyi County, Zhoukou City, Henan, at 120 yuan/jin; bean worm seedlings in Lankao County, Kaifeng City, Henan, at 65 yuan/jin; bean worm seedlings in Xiantao City, Xiantao City, Hubei, at 80 yuan/jin; bean worm seedlings in Zhongxiang City, Jingmen City, Hubei, at 55 yuan/jin, etc. The above prices are for reference only, and bean worm seedling prices may fluctuate up or down depending on region, time, season, market conditions, and so on. Friends who want to raise bean worms can also search for and buy bean worm seedlings on Nongxun Web themselves.

2. How are bean worm seedlings cultivated?

1. Set up a breeding field

Find a field plot with relatively high terrain, facing the sun, sheltered from the wind, and with good drainage and ventilation to use as a breeding field. A breeding field about 3 m long and wide should be set up. Then the field must be enclosed all around with fine mesh netting, generally with a height of more than 1 m. Below one meter, they easily escape. After choosing the site, prepare the land at the end of May, and after fertilizing, plant soybeans in June.

2. Obtaining seed stock

You can go out into the wild to catch mature larvae, then put them into the field to raise. About 80 wild larvae should be raised per 1 sq m of breeding field. The larvae can then feed on the planted soybeans, and after feeding for a period, they will begin to burrow into the soil to dormant in September. Then cut the soybeans, do not plow, and maintain the environment. You can also directly buy larvae to release and raise.

3. Pupation, egg laying, and hatching

In April, when the temperature rises, they pupate in the soil. During pupation, soybeans must be planted again, and in June they will emerge as adults, after which they begin to lay eggs. The eggs are generally laid on the undersides of soybean leaves. Adults lay eggs three hours after mating, and during this period you must prevent them from flying away from the breeding field. One adult lays more than 200 eggs at a time. In July, the eggs will basically all hatch.

4. Feeding

Before pupation, plant soybeans to provide food. For the larvae in a 9 sq m breeding field, throughout the entire larval stage, the soybean leaves from one mu or two mu of land are needed to supply food. The hatched larvae can also be raised indoors, just like raising silkworms, in separate pools, with gauze netting covering the pools to prevent escape. Pick fresh soybean leaves and scatter them to feed. The amount of leaves fed increases as the larval instar increases.

5. Keeping seed stock

When September comes again, you need to select robust mature larvae and put them into the breeding field to let them overwinter, then pupate and emerge the following year, mate, lay eggs, and hatch new larvae. This is how the insect stock for the next year is kept, and every year thereafter, breeding requires keeping seed stock in this way.

The above is an introduction to bean worm seedlings. When raising bean worms, you must stay away from soybeans planted by others, and raise them in a separate isolated area to avoid harming other people's soybeans. Raising bean worms is now an emerging project and is very suitable for rural breeding. At present, the number of bean worms being raised is not large, but the market demand for bean worms is very great.

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