Scientific name Aonidiella aurantii (Maskell) Homoptera, shield speculation. Alias ​​red round hoof shield, red kidney shield, red shield. Distributed in Guangdong, Guangxi, Zhejiang, Fujian, Taiwan, Sichuan, and Yunnan. Xinjiang, Inner Mongolia, and Liaoning are found in greenhouses. Foreign countries are found in tropical and subtropical areas. 372 kinds of plants such as host tea, oil tea, citrus, lemon, coconut, olive, pineapple, banana, fig, mango, apple, pear, peach, plum, plum, hawthorn, grape, persimmon, and walnut.
For the damage characteristics, see Coir.
The morphological characteristics of the shell female shell shell circular, diameter 1.8-2mm, light yellow can be seen through the body, it was orange to red-brown, the edge of light yellow, the central slightly elevated, the shell point is brown to dark brown in the center. The male shell is oval in shape and is 1 mm long, pale grayish yellow, with pale edges and shell points on one end. The adult female adult was slightly kidney-shaped or horseshoe-shaped, with a length of lmm, a width of 1.1mm, and orange to red. The back, ventral hardened. Hips are light brown with 3 pairs of hips. Male adults are about 1mm long, orange-yellow, and purple in their eyes. Eggs are small, oval, pale yellow to orange-yellow, produced in the mother's abdomen, and produce nymphs after hatching. The nymph larvae were about 0.6 mm in length and were oval in shape and orange-yellow. At age two, the antennae and feet disappeared, and the body was nearly round to almond-shaped, orange to orange-red.
Habits of life 2-4 generations, Zhejiang 2 generations, 3 generations in Nanchang, South China 4 generations, with second-instar larvae or fertilized females on the branches and leaves overwintering. Hunchun continues to injure, and the reproductive mode is the ovary. In Zhejiang Province, the litters began in mid-June, and the nymphs spread and spread to the shoots, leaves, and fruits on the dense shade. The first generation of adults occurred in August and the second generation of adults occurred in mid-October after mating. The male died and the female adults passed winter. The three generations of Nanchang District in Jiangxi Province have nymphs in their mid-May to mid-May, late July to early September and mid-to late October. The emergence stages of male adults are in the middle and late April, July and August respectively. From mid- to early-October, the peak of emergence is in mid-April, mid-July and mid-September. Each female adult can fetus 60 to 160 nymphs and climb out from the edge of the shell after 1-2 days, and they are fixed and fed one to two days after the activity. Females are mostly on the back of the leaves, males are mostly on leaves near the ground or clustered on the branches. They are secreted wax only 1-2 hours after fixation, forming pin-point gray shells. The temperature is 28°C, the first instar nymph period is about 12 days, and the second instar nymph stage is about 10 days. Female adult nymphs fetus for weeks to 1-2 months; its life is related to fertilization, if mating with males can survive 6 months. There are many natural enemies, such as the golden bumble bee, Lingnan gold bumble bee, red round bumble bee, yellow-brown bumble bee, and double-banded big-horned bumble bee.
For control methods, see Changbailing.
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