Fengxiang County, Shaanxi Province: Occurrence and Control of Black Cashmere Scarab

The black cashmere beetle (commonly known as the pheasant tiger) has a body length of 7-8 mm and is dark brown or purple in color, and has dark brown hairs on the body surface. One generation took place each year. The adult was used for winter and was unearthed in April of the following year. It was then fed on the leaves of weeds, poplars, willows and eucalyptus trees. After the emergence of crop seedlings, they migrated to crops such as sunflowers and beans for feeding hazards. It lurks in weeds and earth seams during the day. More than the evening out of the cluster hazard, bite the willow, pods, young leaves of fruit trees, alfalfa and sunflower, sweet potatoes, potatoes, beans and other crop seedlings. Adults have suspended animation and phototaxis. Adults lay eggs in May-July. After the eggs hatched as larvae (strong worms), they continued to bite on the crop's underground roots and underground stems.
Prevention:
1. Manual killing: Using the false dead habits of adult pests, the people were motivated to take off and kill adult worms at dusk, which was carried out continuously in large areas.
2. Light trapping: At night, use the phototaxis of pests, light or insect lamp to trap.
3, bait trapping: black cashmere beetles to the most warm and windless weather occurs, generally in the afternoon after sunset 6 to 10 out of the most dangerous. You can use the habit of eating oysters, willow, and poplar twigs. In the evening, you will sneeze 80% of trichlorfon 100 times and then disperse and trap the adult insects in the field.
4, poisonous soil contact killing: the ground to sprinkle the enemy horse powder or an enemy powder, and then mixed with shallow earthworms, when the insect lurking into the soil can be touched to death.
5. Control of spraying: The following pesticides are selected for use on the damaged crops for foliar and surface spray control. 40% phoxim 2000 times; 4.5% high efficiency cypermethrin 2000 times; 4.5% scoop euphatic 1500 times liquid; 1.8% avermectin EC 2000 times.

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