Cockroaches, refers to belong to the "cockroach eye" (scientific name) of insects, of which only about dozens invade human FMC home, there are a few species are reared for human and pet food as a pet, but the vast majority of species can only be seen in the wild mountain woods or insect museum. The most common household cockroach, pregnancy is about 5.0 cm large (1.2 inches) American cockroach (Periplaneta americana), the Australian cockroach (Periplaneta australasiae) and short wings spot cockroach (Neostylopyag rhombifolia); there is a small body of about 1.5 cm ( 0.59 inches) of the German cockroach (Blattella germanica), Japan Ji cockroach (Blattella bisignata) and the Asian cockroach (Blattella asahinai) FMC destroy both pesticides, cockroaches in the tropics generally more huge. Household cockroach generally nocturnal and photophobia FMC wettable powder, wild cockroaches because of different varieties, there are positive phototaxis also negative. And so on. Cockroaches also gregarious habits. Often can be found perched on a point, always at least a few, as many as dozens, hundreds gathered to FMC hundred hi EC, which is mainly due to the effect of pheromone traps. Cockroach adults and nymphs can secrete a "aggregation pheromone," which are secreted by the rectal pads, can be excreted with the feces. In the cockroach dwelling place, they often see the formation of brown fecal droppings track spots, fecal traces, the more the more cockroaches gather. Thus [1] shows that the cockroaches, and improve health, remove cockroach track is an important measure. fmc FMC, Fuzhou Shengwei environment (certified), FMC 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.