The bronze green tortoiseshell is a Coleoptera, Tortoiseshellidae. In many apple orchards in the area, there are apples, hawthorn, jellyfish, pears, apricots, peaches, plums, plums, persimmons, walnuts, and grass poisons.
First, the risk of symptoms Copper green Lizard to Apple is the most victim of fruit trees, adults feeding leaves, often caused by large young fruit trees incomplete leaves, and even the whole tree leaves were eaten.
Second, the law of occurrence (A) Lizard beetles 1 generation occurred in 1 year, with mature larvae in the soil overwintering.
(b) Damage to the roots of crops and weeds before spring larvae and larvae. In the middle and late May of May, Zhaoyang District emerged as an adult. In early June, adults began to unearth. The time of serious damage was concentrated from June to early July, and the amount of insects gradually decreased after mid-July. The main damage period was about 40 days.
(C) Adults grow up overnight and begin to unearth after sunset. They first copulate and then feed. The dawn sneaked back into the soil, hiding in the top 3–6 cm deep, and prefer to inhabit loose and moist soil.
(D) Adults have a pseudo-dead habit and a strong phototaxis, and there are many lamp-induced traps. There are more females on the lamp than males. About 10 days after unearthing, spawning starts. Eggs are produced in soil. Spawning depths are usually in the range of 3 to 10 cm. Larvae mainly feed on the roots of plants and grow to maturity and directly overwinter in the soil. Third, prevention and control methods (a) chemical control
1. During the period of adult emergence, spray 50% of chlorpyrifos (caricapam) EC 1500 times, or 50% of parathion EC 1500 times.
2. The overspray of Bordeaux liquid sprayed with lime has a repellent effect on adults and can also be applied to the topsoil layer.
3. Apply 75% phoxim emulsion 1000 times to the weeds in the tree tray or in the garden. After shallow application, the soil can kill a large number of adults lurking in the soil.
(b) Artificially control and use the adult's dead-dead habits, shake off and kill adults as soon as possible.
(3) Adult photoreceptors are used to trap and kill adults. When adults occur in large numbers, they are ignited and killed at the edge of the orchard after dusk. Conditional orchards can use the black light to trap large amounts of adult insects.
First, the risk of symptoms Copper green Lizard to Apple is the most victim of fruit trees, adults feeding leaves, often caused by large young fruit trees incomplete leaves, and even the whole tree leaves were eaten.
Second, the law of occurrence (A) Lizard beetles 1 generation occurred in 1 year, with mature larvae in the soil overwintering.
(b) Damage to the roots of crops and weeds before spring larvae and larvae. In the middle and late May of May, Zhaoyang District emerged as an adult. In early June, adults began to unearth. The time of serious damage was concentrated from June to early July, and the amount of insects gradually decreased after mid-July. The main damage period was about 40 days.
(C) Adults grow up overnight and begin to unearth after sunset. They first copulate and then feed. The dawn sneaked back into the soil, hiding in the top 3–6 cm deep, and prefer to inhabit loose and moist soil.
(D) Adults have a pseudo-dead habit and a strong phototaxis, and there are many lamp-induced traps. There are more females on the lamp than males. About 10 days after unearthing, spawning starts. Eggs are produced in soil. Spawning depths are usually in the range of 3 to 10 cm. Larvae mainly feed on the roots of plants and grow to maturity and directly overwinter in the soil. Third, prevention and control methods (a) chemical control
1. During the period of adult emergence, spray 50% of chlorpyrifos (caricapam) EC 1500 times, or 50% of parathion EC 1500 times.
2. The overspray of Bordeaux liquid sprayed with lime has a repellent effect on adults and can also be applied to the topsoil layer.
3. Apply 75% phoxim emulsion 1000 times to the weeds in the tree tray or in the garden. After shallow application, the soil can kill a large number of adults lurking in the soil.
(b) Artificially control and use the adult's dead-dead habits, shake off and kill adults as soon as possible.
(3) Adult photoreceptors are used to trap and kill adults. When adults occur in large numbers, they are ignited and killed at the edge of the orchard after dusk. Conditional orchards can use the black light to trap large amounts of adult insects.
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