What are the characteristics and knowledge of bees?

Bees belong to Hymenoptera and Apiidae. It is a flying social insect. They are called resource insects. 8-20 mm long, brown or dark brown, with thick hair; The head is almost as wide as the chest; The waist is thinner than the chest and abdomen; The antenna is knee-shaped, the compound eye is oval, the mouthparts are chewing and sucking, and the hind feet are powder-carrying feet.

Two pairs of membrane wings, the front wing is big and the rear wing is small, and the front and rear wings are connected by wing hooks; The abdomen is nearly oval, with less body hair than the chest and thorns at the end of the abdomen. Bees are completely abnormal insects, which go through four stages: egg, larva, pupa and adult.

Bees are completely abnormal insects, and all three types of bees have to go through four development stages: egg, larva, pupa and adult. The four stages of bees are different in morphology.

Extended data:

I. Geographical distribution

The geographical distribution of bees depends on the distribution of nectar plants. "They are distributed all over the world, and there are many tropical and subtropical species. The distribution of different subfamilies or genera has certain limitations For example, bumblebees are mainly distributed in the north temperate zone and can be extended to the Arctic, but there is no record of distribution in the tropics. Trichogramma subgenus of Trichogramma is only distributed in Central Asia, while Acari is distributed in tropical areas.

Second, living habits.

From spring to late autumn, bees are busy every day during flowering. Winter is the only short leisure time for bees. But the cold weather and the low temperature in the hive are not good for bees, because bees are warm animals, and their body temperature will change with the temperature of the surrounding environment. The clever little bee came up with a special way to resist the cold.

When the temperature in the hive is as low as 65438 03℃, they are close to each other in the hive and form spherical clusters. The lower the temperature, the closer the colony is, which reduces the surface area and increases the density of bee colony to prevent excessive cooling. According to the measurement, in the coldest time, the temperature in the bee ball can still be maintained at around 24℃.

At the same time, they also use more honey and exercise to generate heat to raise the temperature in the hive. In cold weather, the surface temperature of the bee ball is lower than the center of the ball. At this time, the bees on the surface of the bee ball drill to the center of the ball, while the bees in the center of the ball move outward. They took care of each other, changed places repeatedly and spent the cold winter.

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