Larvae: 4 instars in total, the main characteristics of each instar:
First instar: body length 2-3 mm. The body is all black. From the midthorax to the eighth abdominal segment, each segment has 6 hairy warts.
Second instar: body length 4 mm. The head and feet are all black, and the body is gray-black. The left and right rear corners of the front chest are yellow. There are 6 spiny warts on the back and sides of each abdominal segment. The two spiny warts on the left and right sides of the back of the first abdominal segment are yellow and have black spines. The yellow spots on the back of the fourth abdominal segment are not visible. The remaining warts are black.
Third instar: body length 7 mm. The body is gray-black. The head, feet, back plate of the chest and the bottom buttock plate of the abdomen are black. There are yellow spots on the anterior and posterior corners of the pronotum. The thorn warts on the left and right sides of the first section of the abdomen and the thorn warts on the lower side are orange with black thorns. 2 thorn warts on the dorsal side of the fourth segment are slightly yellow, and the remaining thorn warts are black.
Fourth instar: body length is about 11 mm. Body gray-black. There are orange spots on the anterior and posterior corners of the pronotum. There are orange spots on the left and right lateral thorn warts and on the lower lateral thorn warts in the first and fourth sections of the abdomen. The remaining warts are black.
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This is a simple drawing about the seven-star ladybug. It is beautifully drawn, concise and easy to learn, and is very suitable for babies to learn!