What kind of bee is this?

Actually, you have already given half of the answer yourself. This is called bamboo bee, which is often used to make wine in the south. Bamboo bee comes from the "Compendium of Materia Medica" pinyin name Zhú Fēnɡ, also known as flute teacher ("Dialect" Guo Pujie), Liu Shi ("Compendium of Materia Medica"), bamboo bee ("Bai Kong Liu Tie"), bamboo sieve bee ("Lu Chuan Materia Medica") "), black bee, bumble bee, elephant bee ("Guangxi Chinese Medicine Chronicle"). The source is the whole insect of the Apidae insect Bamboo Bee. In autumn and winter, when bees are swarming in bamboos, they are captured. The holes of the bamboos are closed first, the bamboos are cut down, and then heated over a fire. After the bees are suffocated and dead, the broken bamboos are taken out and dried in the sun. Or pickle and store in salt water. The original form is obtuse and plump, about 2.5 cm long. The body is black and densely covered with soft black hair. 1 pair of compound eyes. The antennae are slightly curved. There are dense yellow hairs on the back of the chest. The wings are purple-blue, with darker color at the base and lighter color at the tip of the wings, with the whole wings shining golden. There are 3 pairs of legs, black and short. They often dig holes into the stems of bamboo to make nests, and mix their saliva with the bamboo and wood chips in the holes to make partitions. Divide the nest into several grids, store a mixture of pollen and honey in each grid, and lay eggs in them. Nature and flavor "Guangxi Traditional Chinese Medicine": "Sweet and sour, cold in nature, non-toxic." Meridian tropism "Guangxi Traditional Chinese Medicine": "Enter the stomach and large intestine." Function: Clearing away heat and reducing phlegm, calming convulsions. Treat convulsions, aphtha, and sore throat in children. ① "Lu Chuan Materia Medica": "Expelling wind and reducing phlegm, promoting qi and reducing swelling, treating wind and phlegm, closed orifices, asthma, abdominal distension, feng shui edema, and panic in children." ② "Guangxi Traditional Chinese Medicine": "Clearing away heat and purging fire, dispelling wind. Treats teeth. Xia, aphtha, sore throat, convulsions in children. "Usage and dosage: Oral administration: dry and grind into powder, 2 to 4 pieces. Excerpt from "*Dictionary"