Spring Comes to Scarab
2018-06-21 19:00:34
The hairy beetle is a Coleoptera, Scarab family. Each year occurs to varying degrees, mainly harming apple, pear, peach, hawthorn and other fruit trees and legume crops. Adults take flower buds, flowers, and young leaves during the flowering period of fruit trees, which often cause great harm and seriously affect the yield. The adult hair chafer (larvae are cockroaches) has an adult body length of 10 mm and a width of 5 mm. All except the cobweb and the small scutellum have yellow-white fine hair. Head, chest copper back. Coleoptera brown, translucent, wing-shaped "v" shaped dark lines. The hairy beetle takes 1 generation a year. Adults were allowed to overwinter in 30 cm to 50 cm soil layers. In early April of the following year, fruit trees were unearthed during the budding period, and the peaches began to harm when exposed red. With the change of flowering time, they gradually transferred to pear, apple, hawthorn and other fruit trees. Adults are at risk from daytime activities, and are most active at noon. They do not move in the morning and at night. They sleep at night in the buds or in the ground. They have a false death. Adults ate and spawned for about 1 week. In late April, the spawning season will occur. The eggs hatch after about 30 days. From the end of May to the beginning of June, the larvae hatched. The larvae mainly harm the young roots of plants in the ground. In the middle and late August, it will turn into a phlegm. In mid-September, it is the peak of emergence. Feather adult did not emerge in the year and wintered in deep soil. Control methods: First, kill or kill adult insects, adult stage, use of suspended animation, morning and evening vibration trees, killing landing adults, can also be applied on the ground 2.5% ground kill granules 1.5 kg to 2 kg per mu . The second is spraying the flowers and keeping flowers in the fruit trees. The two days before flowering, 2 days before flowering, spraying 50% phoxim 1000 times liquid or 2.5% killing 2000 times, killing adults.
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