Are earthworms beneficial insects or pests?

Earthworms are representative animals of the annelid class Oligochaeta, also known as Dilong, Quji, Bombyx mori and so on. They live in a humid environment and feed on rotten organic matter. Although the living environment is full of a large number of microorganisms, they rarely get sick. This is related to the unique antibacterial immune system in earthworms. Let's take a look at whether earthworms are beneficial insects or pests.

Are earthworms beneficial insects or pests?

Earthworms are beneficial insects. Earthworms, known as "ecosystem engineers", form numerous reaction circles in and out of the body through feeding, digestion, excretion and burrowing, thus affecting the biological, chemical and physical processes of the ecosystem. In the ecosystem, earthworms are not only consumers, decomposers, but also regulators. Earthworms devour a large amount of soil every day, absorb rotten leaves and small organisms in the soil, and then excrete the soil, making the soil loose and fertile, which is very conducive to the growth of crops.

What kind of food do earthworms eat?

Earthworms are omnivorous animals, in addition to glass, plastic and rubber do not eat, the rest such as humus, animal feces, soil bacteria, fungi and the decomposition products of these substances are eaten. Sensitive taste, sweet and sour taste, bitter taste, like hot and soft feed, especially gluttonous to animal food, the monthly food intake is equivalent to their own weight, about half of the food through the digestive tract is excreted as feces.

What are earthworms afraid of?

1. Afraid of strong light: earthworms have negative phototaxis, especially to avoid strong sunlight and blue light, but are not afraid of red light and tend to be weak light.

2. Afraid of soaking: if most earthworms escape immediately after being submerged by water, the body can not escape and their vitality decreases.

3. Fear of vibration: earthworms like a quiet environment, requiring low noise and no vibration, showing unease and escape after being shaken.

4. Fear of sulking: earthworms need good ventilation in order to replenish oxygen and discharge carbon dioxide, and are particularly sensitive to ammonia and smoke.

5. Fear of pesticides: earthworms are afraid of pesticides, and there are few earthworms in farmland or orchards where pesticides, especially highly toxic pesticides, have been used.

6. Fear of acid and alkali: earthworms are very sensitive to acidic substances, so it is best to adjust the feed to weak acidity, which is conducive to the digestion of proteins and other substances.