1, improve the quality of the hive. The quality of the beehive has a great influence on the nest reproduction of wall bees. Currently, there are mainly two kinds of honeycombs used: reed nest tubes and paper nest tubes. The effect of reed nest tube is better. In addition, the thickness of the inner diameter of the nest tube and the smoothness of the nozzle have a great influence on the nesting of the wall bees. The inner diameter is too thick (greater than 7 mm) or too fine (less than 6 mm), and the nozzle is rough, which will lead to a decrease in the nest return rate of the wall bees. Therefore, the production of the hive should be made strictly in accordance with the requirements. 2, add nectar plants. At present, the orchard species in rural areas are single, the longest flowering period does not exceed 15 days, and the wall bee activity time is generally 30 to 45 days. After the bee is released, the wall bee does not have enough honey source during the whole activity period. After the flower is cut, the wall bee is often Find the source of honey and fly away. In order to extend the nesting time and increase the reproduction rate of the wall bees, honey plants must be added to the orchards, such as rape, radish, and cabbage. 3. There should be enough wet soil near the nest box. After laying eggs, the wall bees build nests and seals with mud. If there is no mud near the nest box, the wall bees will fly farther or drill into the earth seams. This will slow down the nesting speed, which will affect the breeding of the population. Therefore, the bee should be watered near the nest box every day. 4, against ants and other natural enemies interference. During the period of orchard release, ants frequently enter the nesting nests and eat or pull the pollen out of the nest. In severe cases, the wall bees have to go to other places to find the nests. Therefore, when the ants are found during the bee-flying period, they can use honey to add trichlorfon or use fried wheat bran to add dipterex as a bait to trap and kill ants. At the same time, attention should also be paid to spiders and birds.
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