Winter fashion winter fashion fly quite complex. Pupae overwinter both states, but also with maggots, overwintering adult way. In the northern boreal, temperate regions, the dynamic nature of the housefly can not see how living cockroach, but in indoor artificial heating cockroaches still the best way to fly off family activities, greenhouse vegetable greenhouses often the arrival of spring the following year when a large number of breeding of flies birthplace. In the south and parts of North China, the average winter temperature below 0 ℃, the flies can skillfully wintering pupae state, few areas can be found dormant female flies were maggot-covered animal manure. In the southern subtropical regions, with an average temperature above 5 ℃, flies do not exist dormant state, you can continue to breed to breed. Rats, flies, mosquitoes and cockroaches are biosphere energy conversion and balance indispensable link. On Earth, such as no rats, flies, mosquitoes and cockroaches like cockroach powder, there is no existing biosphere balance. Rats, flies, mosquitoes and cockroaches survive on Earth very successful species, and their ability to survive much more than humans, so-called "four pests" neither feasible nor impossible. This world to the "four evils", viruses, bacteria are not live when people can live forever? To be sure, the human being in addition to the "four evils" is still there. How to eliminate cockroaches, Fuzhou Shi Jie Pest Control (certified), cockroach provided by Fuzhou Shengwei Environmental Technology Limited. Environmental Technology Co., Ltd. Fuzhou Shengwei (www.fzsw.com.cn) is Fuzhou, insect terminator leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Shengwei leadership in Fuzhou with the staff warmly welcome all inquiries negotiations to create Fuzhou Shengwei a better future.