One, what is the winter mosquito?

　　Overwintering mosquitoes refers to the low temperature in winter, warm and moist, gathered in a quiet place hidden dormant overwintering mosquitoes.

　　The main wintering mosquitoes hiding in the shelter, empty houses, greenhouses, barn, underground garage and heating power tube etc..

　　Two, mosquito how to winter?

　　Region of Zhejiang Province, the main mosquito, Culex pipiens quinquefasciatus, Anopheles sinensis often to wintering mosquitoes; Aedes mosquitoes (commonly known as "flower of mosquitoes") multiple choice in a variety of containers and waste tire and overwinters as eggs and Aedes albopictus hibernating eggshell thick, anti dry cold resistance ability is very strong; three wintering mosquitoes in the way local dormant quiescent overwintering diapause and seasonal movements; Culex pipiens pallens mosquitoes overwinter diapause in both static and, when the temperature is 10 degrees - 15 degrees C, Culex pipiens pallens into mosquito flies to overwintering sites in search of blood.

　　Three, why should the mosquito?

　　Different mosquitoes spread different infectious diseases:

　　The 1 main transmission filariasis Culex pipiens pallens.

　　2 three Culex mainly spread of epidemic encephalitis B.

　　3 Aedes albopictus mainly dengue and chikungunya.

　　4 the main transmission of malaria in china.

　　Four, the principle of prevention and control

　　The control of mosquito borne density should be taken as the main, chemical and biological control measures, supplemented by physical control;

　　The professional team to carry out prevention and control group control combination.

　　(1) disinfection places: winter indoor disinfection, key parts of the basement (large shopping malls, high-rise buildings, etc.), fire wells, residents of the corridor, garage, bathrooms, debris, power distribution room, boiled water room, idle rural housing, barn and other warmer places and spaces. In spring, indoor and outdoor disinfection disinfection should take into account.

　　(2) disinfection method:

　　Chemical control

　　The indoor residents own disinfection, advised residents to buy insecticide aerosol, mosquito and other indoor mosquito.

　　Outdoor environment in order to employ professional PCO (pest control), with 12% beta cypermethrin? Chlorpyrifos EC, and put on the dalmatian type sustained release agent, such as times phoxim or Abe parathion.

　　Biological control

　　Bacillus thuringiensis suspending agent: the main ingredient of Bacillus thuringiensis. Per square surface with 5 to 10 ml.

　　B.Sphaericus suspension: the main component of Bacillus sphaericus. Diluted 100 to 50 times sprayed on the surface of water, 1 to 2 grams per square surface. Mainly used in civil water tank (tank), pond, reservoir, drinking water, oxidation pond, ditch, river, etc..

　　(3) a breeding ground for cleaning

　　Carry out mosquito disinfection work at the same time, we should pay more attention to the development of repotting pouring, clear water container breeding ground for cleanup.

　　Five, the importance of killing the winter mosquito

　　There is a popular saying in mosquito control, killing a "winter mosquito", is equal to the eradication of more than two "1000 generations of mosquito". It is the best time to kill the mosquito with weak activity, poor ability to resist, and concentration of aggregation. Destroy overwintering mosquitoes, can effectively reduce the density of mosquito in summer, the prevention of dengue fever, Japanese encephalitis, mosquito borne infectious diseases, create a clean and healthy living environment.