Release Time: 2020-06-05 14:20:25 Heat:0
As a species from Africa, cockroaches have spread throughout the world due to their strong adaptability and become an important urban pest today。Cockroach scientific name cockroach, commonly known as the kitchen leech and so on。Among insects, cockroaches are one of the oldest, having existed as far back as 350 million years ago。

There are many kinds of cockroaches, more than 5000 kinds are known, and there are 168 kinds in China。The wild species that we usually rarely see have little to do with humans, small editor will not do an overview, there are not many varieties of domestic species, but living in the city, you will often see。The common cockroach species are Periplaneta Americana, Periplaneta nigrothorax, Periplaneta brown, Periplaneta germanica, and Periplaneta japonica.Their morphological features vary in size and color。Cockroaches have female and male insects, the 10th backplane on the abdomen of male and female insects is called the epiplocalis, and a pair of multi-node tail whiskers are long on both sides of its base. The lower reproductive plate of male insects usually has a pair of needle process, which is an important feature to distinguish between male and female adults。

Everyday people know that cockroaches are harmful, but they are not very clear about the harmful effects of cockroaches?
They can carry pathogenic bacteria and viruses, such as hepatitis virus, typhoid bacillus, dysentery bacillus and protozoa, fungi and parasitic worm eggs contaminated food and cause disease, but from the medical analysis of pathogens in the body of cockroaches can not reproduce, belong to the mechanical transmission vector。
What's more, cockroaches are everywhere, they can eat everything, you can see it in the warehouse, you can see it in the kitchen, even communication equipment, computer lines can be compromised, causing accidents。Some people in foreign countries call cockroaches "computer pests"。