: Nymph cockroach egg cases just hatched nymphs are gathered in the sheath surrounding the egg, white, after the color gradually becomes deeper and spread activity, nymph-like shape adult worms only small pets flea medicine, wingless, immature sexual organs. Nymph slow development. Must undergo molt several times, growing up, the number of antennae and tail section shall also with age and growth. After the last molt nymph, wings, feather for adults. Newly emerged nymphs and adults just molt also was white, the color gradually become darker after flea medicine, and thus in a population, we see a cockroach can also be due to environmental conditions. Nymph longer period, usually lasted about 30 to 450 days. After losing appendages nymph or damage antennae, may be in the next instar molt again regeneration. These injuries will increase the number of renewable molting. One of the features is a long cycle life history cockroaches. In the shortest period of German cockroach is concerned, generally also need to complete a generation more than two months, the longest of the American cockroach, etc. which lasted more than a year. Not only the length of the life cycle varies by species, but because of different temperature, nutrition and other conditions are different. Adult life is longer, the German cockroach shortest about 100 days, the longest life expectancy of the American cockroach can survive a year ago. Longevity is also due to the type and environmental conditions and different. Long cycle life cycle effects cockroach flea medicine, and their life expectancy is longer. So pharmacy drugs to kill fleas, a fertilized egg sheath amount of estrogen produced by cockroaches life too much, the American cockroach can produce up to more than 50, so the cockroaches fecundity strong. Five cockroaches a generation time (days) lice flea medicine, flea medicine, Fuzhou Shi Jie pest control provided by the Environmental Technology Co., Ltd. Fuzhou Shengwei. Environmental Technology Co., Ltd. Fuzhou Shengwei (www.fzsw.com.cn) strong, credible, in Fuzhou, Fujian insecticide Miehai industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Fuzhou Shengwei and you hand into the brilliant, for a better future!