Why do flies always rub their hands? Is it because the weather is too cold?

If you have observed flies, you will find that flies always do this when they stay somewhere? Rub your hands? Action, as if ready to catch prey, but nothing happened. Why do flies always rub? Hands? ? Is it because the weather is too cold?

People with big brains think that maybe flies really need it? Rub your hands? Come and keep warm, just like we like to rub our hands when we go out in winter without gloves. Flies rub? Hands? Is that the same reason? This problem is one of the research topics of Professor Lide Hu. At first glance, the project studied by this professor seems very boring, which is difficult for ordinary people to think of at ordinary times. In fact, it is his seemingly strange learning that makes us find interesting knowledge everywhere in our lives.

Then why do flies always rub? Hands? And then what? Of course not because it's too cold. Do they rub? Hands? It's actually cleaning up! This seems a bit unacceptable. In our impression, flies are dirty and don't like to be clean. Why do they still talk about hygiene? Professor Lide Hu's team found through research that the friction of flies? Hands? Behavior is like bathing with humans and rubbing with cats? Hands? Behavior is to clean up your own hygiene.

Cat rub? Hands? Everyone should have observed behavior. Clean cats make themselves white and flawless through skillful movements, which is very pleasing. Then flies also have their own set of cleaning actions. If you look closely, you will find their rubbings? Hands? Actions usually include two front feet rubbing against each other, two front feet rubbing against the face, two rear feet rubbing against each other, and two rear feet rubbing against the wings. After these actions are completed, the fly washes itself thoroughly.

Flies rub hands? Not only for cleaning, researchers found that flies rub? Hands? It is also very helpful for the physiological activities of flies. Rub? Hands? Can make them fly better. Because flies often get into feces and gullies, they will stick a lot of dirty things on their bodies after flying, which will increase their weight and hinder their flight. So they have to keep rubbing? Hands? Pack up for the next flight.

Flies rub hands? It can also help them keep their taste sensitivity. This sounds a little crazy. What does rubbing hands have to do with taste? In fact, it is because the taste receptors of flies are distributed on the feet. Humans need to put food in their mouths when they taste it, while flies need their feet? Smell? . Careful observation shows that when flies stop on food, their feet will be everywhere, which is actually tasting the taste. Sometimes I rub it first, because there are too many dirty things on my feet, which affects my taste? Gourmet? . It turns out that there is so much knowledge hidden in small flies, and interesting knowledge is hidden everywhere in life, but only those who have the heart will find it!