保护树木免受祖母绿灰蛀虫的侵害

祖母绿灰螟事实

The emerald ash borer is an Asian beetle that has infested ash trees in the northern United 状态s. The beetles feed on — and eventually kill — the trees they inhabit. If you have an ash tree in your yard, take precautions to keep it safe. (A dying tree can shed limbs and harm your property or your family.)

Emerald ash borers were first discovered in Michigan and Canada in 2002. 耐寒甲虫从此 传播 东至马萨诸塞州，西至科罗拉多州, mostly due to people transporting infested trees or wood to non-infested areas.

翡翠灰蛀虫伤害

Emerald ash borer larva hatch on ash tree bark and then burrow into the tree to feed on it. This invasion disrupts the tree's nutrition system, which eventually kills it.

Early detection can be difficult but is key to preventing 传播. 从学习 一棵生病或垂死的树的一般警告标志. Also look for woodpecker holes and subsequent bark loss — early signs of an emerald ash borer infection. 当甲虫接管时, the tree's leaves will start to thin at the top and then throughout the canopy.

You can sometimes spot vertical splits in the bark w在这里 larvae are feeding underneath. Adult emerald ash borers also leave D-shaped holes when they exit a tree. Iowa 状态 University Extension and Outreach has developed a video to help you identify the emerald ash borer and determine whether your tree may be infested.

祖母绿灰螟处理

Prevention is the most effective way to keep your tree healthy. The first step is to have your tree inspected by a professional who can also determine if t在这里 are any other conditions that should also be addressed.

有 翡翠灰蛀虫的四种处理方法:

• 土壤注入,
• 树干注射,
• 树皮喷雾，或
• 树冠喷雾.

Soil and trunk injection are the most common treatments as they bring the treatment to the entire tree.

也有 祖母绿灰蛀虫的DIY治疗方法. 它是至关重要的, 然而, to choose a product with a high enough concentration and to apply it at the correct dose and timing.

翡翠灰蛀虫地图

Learn if emerald ash borer has been detected in your area. If you suspect a nearby infestation, insecticides can help protect trees on your property. However, trees already infested should be cut down and burned or buried.

状态s are working to quarantine areas of infested ash trees. You can help prevent 传播 by keeping infected wood out of noninfested areas, like only burning firewood cut within 50 miles of your location.