Scientific name Euproctis pseudoconspersa Strand Lepidoptera, genus Moth. Alias ​​tea poisonous moth, tea spot moth. Distributed in all tea production areas in the country.
Host tea, oranges, cherries, persimmons, alfalfa, pears, corn, etc.
The larvae of the 3rd instar larvae of the 3rd instar larvae were clustered together to feed on the mesophyll. After 3rd instar, they were scattered and fed from the leaf margin.
Morphological characteristics adult male wings exhibition 20-26mm, female 30-35mm. Male wings tan, black thin scales, fore-wing front orange, apical, hip angle each with yellow spots l block. There are 2 black dots on the apex of the macula, and the inside line is curved outwards and orange. Female yellow-brown, with pale orange to yellowish brown front wings. Oval flat, light yellow, 0.8 mm in diameter, egg block coat, oval. Larvae body length 10 to 25mm, head brown, brown cloth dots, shiny, body yellow, dense yellow-brown hair. The dark brown line on the top, the brown line on the brown line on the back line and the valve line, the brown velvety tumor on the back line of the abdominal section on the l-8th, with yellowish-white hairs on the upper part of the abdomen, and the dark brown ball-like tumor on the upper line of the valve. Yellow-white hair. The dragonfly is 8 to 12mm long, yellow-brown. Yellow earth.
Living habits 2 generations in Jiangsu, Zhejiang, Anhui, Sichuan, Guizhou, Shaanxi, 3 generations in Jiangxi, Guangxi and Hunan, 3-4 generations in Fujian, and 5 generations in Taiwan. Sprouting shoots or leaves with 1m or less in the canopy or under the canopy of eggs Wintering. During the middle and late March, the hatching of eggs in winter and the hatching of the newly hatched larvae were harmed. After being matured, they were planted in the middle of May under the cluster tree and under the litter, the roots rot in the soil around the rhizosphere. Emerged in late May and the eggs are laid on the back or on the trunk. Each female lays 50 to 300 eggs into an egg mass, covering the tail hair. In mid-June, the second-generation larvae hatched, the mid-July larvae plucked, and in early August, the larvae hatched in early August, the third-generation larvae hatched in mid-August, the larvae evacuated in late September, and emerged in early October. The main natural enemies include tea caterpillars black egg bee, Trichogramma beetle, tea caterpillar velvet bees and so on.
Control methods (1) Manual killing from November to March of the following year, removing the overwintering ovoids; during the growing season, the leaves of the larvae are removed at the l-3th instar; the adults prefer to eclosion before and after 16 o'clock. Or inactive between lines, can be artificially killed. (2) Agricultural control The tea plantation is cultivated in the middle of the tea planting period, and 6 cm soil is cultivated in the rhizosphere of the tea plant. (3) Biological Control High-humidity tea gardens can be sprayed with 10% of viable live spores of the bacillus or bacillus spp., which has excellent control effect on tea caterpillars. Tea worm nuclear polyhedrosis virus can also be isolated from the body of tea caterpillars and made into powder or emulsion spray. The field efficacy is more than 82%. (4) Mastering the spraying of 90% crystals of trichlorfon or 80% of dichlorvos, 25% of iminophos, 50% of fenitrothion, 50% of malathion, 50% of dibromophosphorane 1000-1500 times before the third instar . (5) 98% Bataan wettable powder or 10% Dooley EC 2000 times, 95% acephate EC 3000 times, 10% cypermethrin EC or 10% Phloethrin, 10% Uranus EC 4000-6000 times liquid, 35% SAIDAN EC 2500-3000 times liquid spray.
Structure and composition: It is made of 100% Cotton Gauze with X-rays or without X-rays after degreasing, bleaching, drying, processing, cutting and folding.
Product performance: Clean, soft, non-toxic, odorless, non-fluorescent, no oil spots, no mold spots or debris adhesion, and has good water absorption performance.
Model specifications: Sterile type. The color is mainly white, supplemented by blue and green. Specifications are divided into 5 * 5-4 / 6/8/12, 7.5 * 7.5-4 / 6/8/12, 10 * 10-4 / 6/8/12, 10 * 20-4 / 6/8/12 , 5 * 70/3 * 100/5 * 100, etc .; with or without light, can be folded according to different requirements.
Packing: Each 1-10 pieces are packed with medical paper / paper / paper bags, medical blister packaging, single chip microcomputer, then, 20 bags / 50 bags / 100 bags of white card or gray card box, and outer layer is 5 layers of double corrugated kraft paper box.
Scope of application: It is used for medical institutions to clean clinically, protect wounds and absorb exudate from the body. It is used for surgery and wound care.
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