A cockroach causes many people to have a squeamish feeling when they see it on the floor or on the wall. And when he flies, it does not feel right at all. But nature, apparently, took care of man in this, since there is only one kind of flying cockroaches – Megaloblatta longipennis, having wings. They are large enough – 185 mm. Inhabit flying cockroaches mainly in Central and South America.
Cockroaches produce gases every 15 minutes. After death, they continue to produce gases for another 18 hours. In total, the gases that all insects produce in the world are 20% of all methane produced on earth. Cockroach gases in these 20 percent occupy the most significant place, which means that their “contribution” to the global warming of the planet is not at all small. Termites and cows also significantly affect warming.
If the cockroach falls on its back, on a level ground (for example, on the floor), it can no longer turn over and die. If it falls somewhere on the ground, it can help the leaves, grass, branches or pebbles catch on and manage to roll over. Therefore, means for the destruction of pesticides contain substances paralyzing the muscles of insects.
The international name of the cockroach “cucaracha” of Spanish origin. It pumped into English as early as the beginning of the 17th century, precisely for the name of cockroaches.
There is one kind of cockroaches Madagascar Hissing Cockroach (Hissing – hissing). During the movement, he makes a loud hiss, punching his way, as if screaming: “Dear me, road!”. This was discovered by cinematographers and they successfully use the voices of these cockroaches for scoring special episodes.
Cockroaches continue to live without a head. This suggests that they breathe not with their nose, like man and other animals and insects, they breathe cells of the whole body. In addition, insects have no blood, and therefore there is no pressure in the body. Cockroaches can live quietly for a while without a head.
50 years ago, a direct connection was found between cockroaches and allergic diseases, in particular, asthma in humans. In each multi-storey town house there are from 900 to 300 000 different insects, most of which are cockroaches. Scientists believe that most allergic diseases appear in the house, since people, especially children, are mostly in the premises. In contrast to the periodic allergies associated with the seasons, the allergy to cockroaches year-round.
The most common cockroach is Blatella Germanica. He is a cousin of a flying cockroach. Lives about 6 months. The female stores about 40 eggs, can produce 6-8 times. The offspring are 240-320 cockroaches. It is enough that among them there are 10 females that produce 100, and in a few months thousands of hideous creatures will populate a tiny section of the Earth.
American cockroach for a second runs 75 cm. Regarding the size of your body is a significant speed. If the cockroach was the size of a cheetah, it would run 50 km per hour.
Much is said about the fact that after a nuclear explosion some cockroaches will survive. But these conversations do not have a definite scientific confirmation. Although there are studies confirming the resistance of cockroaches to radiation. A person can withstand 500 rad (units of radiation exposure), and a cockroach – 6 400 rad!