Cockroaches, commonly known as cockroaches, are common medical insects, belonging to Arthropoda, Insecta and Cockroaches.
Only dozens of cockroaches invade people's homes, and several are kept as pets and are also pet food. Most of them can only be seen in barren hills and wild forests or insect museums.
The ancestors of insects such as cockroaches first evolved from sea scorpions, crabs and other arthropods, living in caves and being scavengers. It can stand the test of extreme heat and cold, and it is still widely distributed. Cockroach is one of the oldest insects on the earth, and once lived in the same era as dinosaurs.
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Cockroaches are not easy to be found during the day, and their activity time is mainly at night. They go out at night 1 1~ 12, reach the peak at 1~2 in the morning, and return at 4~5 in the morning. It is often at work when it is resting, and it is difficult to get rid of it when it is at work.
Cockroaches eat almost everything, including wood, paper, glue, clothes and even human spit. Of course, its favorite food is sweets. Some scholars have found that there is a symbiotic bacteria in the digestive system of cockroaches, and everything they eat can be converted into nutrients such as amino acids.
Cockroaches, nicknamed cockroaches, are because of their amazing ability to survive and reproduce. The breeding cycle of cockroaches is generally 45 days, and the eggs they lay are very similar to pods. There are eggshells outside and forty or fifty cockroaches inside, so pesticides can't get in at all. Female cockroaches will always carry eggshells until they are almost mature to protect their offspring from reproduction.
There are two main kinds of cockroaches in China, Periplaneta americana and Blattella germanica. Periplaneta americana is dominant in the south and Blattella germanica is dominant in the north. Because of its high humidity requirements, toilets, kitchens and swimming pools are more common.
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