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What is the name of ladybug besides Sister Hua?
Coccinella septempunctata is a predatory insect of Coccinellidae. Its body is like a half ball, and its black head and wings are orange.
Its tentacles are short and inconspicuous. Its feet are under its big wings and its mouthparts have the ability to chew food. Because it has seven black spots on its wings, people call it ladybug. Ladybug is a beneficial insect.
Adults can prey on wheat aphids, cotton aphids, locust aphids, peach aphids, scale insects, ticks and other pests, which can greatly reduce the harm of pests to trees, fruits and various crops. They are called "live pesticides" and are widely distributed all over China. In the south of North China, it is commonly known as "floret".
Extended data:
morphological character
The body is ovoid, and the back is arched, showing the shape of a water ladle. The head is black, the compound eye is black, and there are 1 yellowish spots in the medial concave part. The tentacles are brown. The mouth is black. The outside of the upper forehead is yellow. The chest backboard is black, and there is a 1 large square yellowish area in the upper front corner.
The small shield is black. COLEOPTERA wings are red or orange with 7 black spots on both sides; There are 1 triangular white lands on both sides of the wing bottom shield. The body, abdomen and feet are black.
Female: 5.70-7 mm long, 4-5.60 mm wide, hemispherical, smooth and hairless back. At first emergence, the coleoptile wings are tender yellow and soft, and gradually change from yellow to orange-red after 3-4 hours. At the same time, seven black spots appeared on the wings of the two coleoptiles, and the one below the small shield was a small shield spot, which was divided into two halves by the sheath seam.
In addition, there are three black spots on each COLEOPTERA, and there are 1 small triangular white spots on both sides of the small shield at the base of COLEOPTERA. The head is black, and there are 1 yellowish spots on the forehead edge connected with the compound eye. There are two yellowish spots between compound eyes, sometimes connected with the above macula. The antenna is chestnut brown, slightly longer than the forehead width, with dense hammer joints, straight sides and truncated ends.
Baidu encyclopedia-ladybug
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