Maeda sativa

Scientific name Cindocampa flavescens (Walker) Lepidoptera, Pyralidae. Alias ​​moth, star anise, star anise, pepper, sheep wax cans, white bristle hair. Distribution Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei, Henan, Shandong, Shaanxi, Sichuan, Yunnan, Hunan, Hubei, Jiangxi, Anhui, Jiangsu, Zhejiang, Guangdong, Guangxi, and Taiwan.

Host hemp, mulberry, tea, apple, pear, peach, plum, apricot, cherry, hawthorn, jellyfish, jujube, persimmon, pomegranate, chestnut, walnut, citrus, wolfberry and other fruit trees and medicinal plants, flowers.

The larvae are eaten by the leaves. The young people eat leafy meat, eat a large amount of nicks and holes, and eat them as light stalks.

Morphological characteristics Adult body length 15mm, wingspan about 33mm, body hypertrophy, yellow-brown, chest and abdomen front and rear back yellow. Antenna filamentous gray brown, compound eye spherical black. There are 1 tan lines on the base of 1/3 of the base of the fin and 0.15 in the base of the posterior edge. The outer line of the inner line is yellow-brown and the inside is yellow. There are brown lines along the outer edge of the wings; 2 are in the yellow zone. A dark brown spot, all near the tan zone, one near the trailing edge, and one in front of the middle of the wing. The hind wings are yellowish-brown with a darker edge. Egg oval, flat, long 1.4-1.5mm, surface line pattern, when the initial production of yellow and white, after dark brown. Dozens of raw pieces. Larvae body length 16-25mm, hypertrophy, rectangular, yellow-green, back with 1 purple-brown dumbbell-shaped large spots, blue edges. Smaller head, pale yellow-brown; chest shield. In the half moon shape, there are 1 dark brown spots on the left and right sides. After the 2nd section of the crotch, there are 4 rows of fleshy protuberances. The bristles and poisonous hairs grow on them, among which the 3rd, 4th, 10th and 11th sections are larger. The valve is red-brown. The valve is dark brown and the valve is yellowish brown. There are 2 black spots on the hip plate, the chest-foot is very small, and the gastropods are degraded. There are 1 flat circular suckers in the middle of the ventral surface of the 1st to 7th abdominal segments. The dragonfly is 11-13mm long, oval, yellow-brown.茧 Lime is hard, oval, with gray and brown vertical stripes like eggs.

Life habits are one generation perennial in northeast and north China, two generations in Henan, Shaanxi, and Sichuan, and they used to be wintering on branches. In the first-generation zone, phlegm began in mid- and late-May, and the flood season lasted for about 15 days. Adults emerge in mid-June in mid-June. Adults grow into nights, have phototaxis, spawn and lay eggs shortly after emergence, eggs are produced on the back of the leaves, eggs are on 7-10 days, and larvae occur in late June and August. 8 After the middle of the month, they are gradually matured and bear wintering at branches and branches. The second-generation region began to phlegm in early May, and emerged in late May and early June. The first-generation larvae occurred in mid-June in mid-July and the first-generation larvae took place in mid-to-late July. The second-generation larvae were damaged. The period begins in mid-August and ends in late August. During July-August, the high-temperature and drought conditions caused serious occurrence of yellow-spotted moths. There were more host trees wintering around the fields, which was conducive to the occurrence of moth-infested moths. Natural enemies are Shanghai and black wasps.

Prevention and control methods (1) In autumn and winter, take insects or break up the insects on the trunk to reduce the source of insects. (2) Spraying 80% dichlorvos EC 1000-1200 times or 50% phoxim EC 1000-1500 times, 50% malathion EC 1000 times, and 25% Iminophos EC 1300 Times of liquid, 5% of Fortune EC 3000 times.

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