In the summer, small flying insects often circle around the fruit

Fruit fly.

In fact, these little flying insects are called fruit flies, and there are thousands of subspecies, such as the melanogaster.

common fruit flies) and Drosophila suzuka (Drosophila asiatica).

Fruit flies like to eat spoiled fruits and vegetables, and lay eggs and breed in them. After buying the fruit, discard the damaged or spoiled fruit, carefully wash the fresh fruit with clean water, dry it thoroughly and put it in a sealed bag. The garbage container is equipped with a tightly fitting lid to clean up the food waste such as peels and vegetables in the garbage can every day.

Old sponges, damp mops, old rags, and anything used to wipe counters and floors can contain fruit fly eggs, so replace them regularly.

If summer fruits are not kept airtight, fruit flies will scavenge for them from places such as spoiled fruits and garbage heaps. It is attacked by microorganisms and pests and diseases, which can cause the fruit to grow small bugs. Or it can rot itself and attract bugs.

Drosophila, small in size, 3-4 mm in length. It's easy to get through the screens, so it's common to have a home environment.

After the summer fruit is left for a period of time, it causes oxidative deterioration of the fruit due to the interaction with the oxygen in the air. Any food that is left at room temperature will spoil.

The main causes of fruit insects are:

First, microbes play a role. The environment is full of microorganisms. Fruit picking.

Transportation, storage, sales and other links are easily contaminated by microorganisms. As long as the temperature is right, microorganisms will grow and multiply, breaking down the nutrients in the fruit to meet their own needs. At this time, the fruit gives off a sour taste.

It loses its original luster and elasticity, and the color changes.

Second, the role of enzymes. Due to the large amount of sugar in fruits, the rotting of fruits that we usually see is that the carbohydrates are broken down by enzymes and fermented. Fermented fruits can easily attract fruit flies or other pests such as flies, mosquitoes, etc.

Some insects use their instincts or skills to burrow into the fruit and absorb nutrients to survive.

Third, the invasion of pests and diseases. Fruit cleaning is more difficult, and many people simply rinse it with water to save trouble. Actually, fruits belong to plants. The plants are relatively low and the fruits are tender and juicy, which makes the fruit susceptible to pests, diseases and microorganisms.

Therefore, summer fruits should be sealed with plastic wrap before being put in the refrigerator. Bananas, lychees, etc. should not be put in or directly put in the refrigerator.

The small flying insects on the fruit in summer may be attracted by the smell of fruit decay, or it may be that the fruit fly lays eggs in the fruit before the fruit is **, and as the fruit is brought into the home, the eggs become small flying insects and fly out after they mature.

Fruit flies often grow and reproduce in decaying and slippery substances, such as rotting fruits or vegetables, and can be found in nature, in flowers, under decaying grass, in orchards, and in vegetable patches.

Fruit fly eggs will only hatch under suitable temperature, humidity, pH, and generally fresh fruits, if there is no spoilage, most of them will not appear small flying insects.

In summer, the climate is hot, the shelf life of fruits is short, if you buy too much, you can't eat it in a short time, it is best to put it in the refrigerator to keep it refrigerated, so as to avoid spoilage and attract small flying insects.