CATDOLL : CATDOLL: How to treat bee rot

How to treat bee rot disease

Remove the brood spleen to strengthen the group! Then spray the spleen with Benomyl or Bacteria-Toxic Quick Killer!

How to treat white moth disease in bees

①. Manual control: Manually cut off the net curtain. Taking advantage of the habit of the 4th-instar larvae of the American white moth to make webs and cause damage, timely cut off the net curtain manually and completely eliminate the larvae inside the net curtain; taking advantage of the habit of mature larvae to pupate under the tree, tie grass bundles on the tree trunks to attract the larvae that have come down from the tree to pupate, and destroy them collectively to kill the larvae.

②. Natural enemy control: Use natural enemies for control. Natural enemies in the egg stage: lacewings, ladybugs; Natural enemies in the larval stage: spiders, lacewings, mantises; 1st to 3rd instar larvae: spiders; the mortality rate caused by spiders is about 30%-90%. Pupa stage: parasitic flies.

③. Physical control: Use black light to kill adult gypsy moths. The insect trap should be set up in areas where gypsy moths were more serious in the previous year and surrounded by open areas to achieve a better control effect. Spray pesticides and kill adult gypsy moths within 50-100 m from the center of the lamp.

④. Biological control: Release Zhou's gnawing wasps during the mature larval stage and the early pupation stage of the American gypsy moth; spray BT during the larval stage before the 3rd instar of the American gypsy moth, which has a strong toxicity to the American gypsy moth; use matrine and other drugs for smoke or spray control during the old larval stage of the American gypsy moth; Nuclear polyhedrosis virus: It is safe for humans and animals, does not kill natural enemies, and the control effect is as high as 90%.

⑤. Control by bionic preparations: During the early larval stage of the American white moth, bionic preparations can be used for spray control. The main agents that can be used are: 25% diflubenzuron III, 20% diflubenzuron and 20% fluazifop, etc.

⑥. Chemical control: When the gypsy moth enters the advanced larval stage, low-toxic, low-residue chemical agents can be used for smoke or spray control. The available agents include cypermethrin emulsifiable concentrate, high-efficiency chlorpyrifos emulsifiable concentrate, and cypermethrin emulsifiable concentrate.

⑦. Sex pheromone lure: Use the sex pheromone of the American white moth to lure and kill male adults in the adult stage in areas with mild infestation. The best height for setting the trap for the spring generation is on the branches in the lower layer of the canopy (2.0-2.5 m), and the best height for setting it in the middle and upper layers of the canopy (5-6 m) for the summer generation. Set up a trap every 100 m, and the trapping radius is 50 m. During use, the DDT cotton ball placed in the trap should be replaced every 3-5 days to ensure the fumigation effect. The lure core can be used for the second generation. After the first generation is used, seal the lure core with film and store it at low temperature. The second generation can continue to be used