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Tree Pests: Gypsy Moth - Page 2
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Gypsy moths signs and symptoms
Adults vary by sex.
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Tree Pests: Gypsy Moth - Page 5
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Before you report a possible gypsy moth find
Many native, less damaging moths that look similar to gypsy moths, are present in Missouri and do not need to be reported. Consult the gypsy moth signs and symptoms page before reporting. Early detection is useful only when the problem is contained and eradicated.
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Tree Pests: Native Pests - Page 3
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Hypoxylon canker
Hypoxylon canker is a common disease of hardwoods, especially species in the red oak group. It is often one of several factors ultimately responsible for tree death. A disease of the inner bark and sapwood, Hypoxylon damages tissues used by the tree to conduct water from soil to the leaves.
![Cover art for publication V5-3](/sites/default/files/styles/large/public/images/v00005cvr-p3.jpg?itok=glAw4IrD)
Tree Pests: Gypsy Moth - Page 3
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Where gypsy moth has been found
Every year, more than 6,000 gypsy moth traps
Tree Pests: Native Pests
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Introduction
In addition to all of the nonnative, invasive tree pests challenging the health of Missouri’s trees, there are several native insects and diseases that can cause serious harm.
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Tree Pests: Native Pests - Page 4
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Oak decline
Trees are weakened by environmental stresses such as drought, waterlogging, frost or by pests such as defoliating or sucking insects. Weakened trees are then invaded and killed by insects and diseases that cannot successfully attack healthy trees. Usually the progression of decline is slow, and it occurs over several years.
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Tree Pests: Asian Longhorned Beetle - Page 4
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ALB quarantine information
Currently, there are no interior or exterior ALB quarantines for the state of Missouri.
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Tree Pests: Thousand Cankers Disease - Page 4
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TCD quarantine information
TCD is not federally regulated, but be aware that individual states have enacted state-level or county-level quarantines restricting the movement of untreated walnut materials of all kinds.
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Tree Pests: Thousand Cankers Disease - Page 7
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Before you report a possible TCD find
To determine if you should report TCD, ask yourself these questions:
Is my tree a walnut tree?
Determine if your tree is a walnut. If the answer to this question is yes, move to the next question.
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Tree Pests: Asian Longhorned Beetle - Page 2
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ALB signs and symptoms Signs
Adult Asian longhorned beetles (Anopl
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Tree Pests: Asian Longhorned Beetle - Page 5
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Slow the spread of ALB
We must remain vigilant so we can eradicate any infestations should they occur. Transporting firewood or other wood materials from an infested area can spread ALB. So, the same common sense practices for slowing the spread of emerald ash borer and thousand cankers disease apply to ALB, namely:
![Cover art for publication V2](/sites/default/files/styles/large/public/images/v00002cvr-p1.jpg?itok=Lkv4522D)
Tree Pests: Thousand Cankers Disease
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Introduction
Although not yet detected here, thousand cankers disease (TCD) is a potentially fatal disease of black walnut, caused by the walnut twig beetle (Pityophthorus juglandis) and an associated fungus (Geosmithia morbida).
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Tree Pests: Thousand Cankers Disease - Page 5
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TCD management
Controls for TCD have not yet been identified and their development will require better understanding of the biology of the walnut twig beetle and the canker-producing fungus. Because of the extended period when adult beetles are active, insecticide spray applications will likely have limited effectiveness.
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Tree Pests: Thousand Cankers Disease - Page 8
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Now is the time to look for TCD symptoms
Although not detected in Missouri, TCD could easily get here on infested walnut wood used for woodworking or firewood from western or eastern states where TCD has been confirmed. Late July and early August is the best time to watch for possible symptoms of TCD.
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Tree Pests: Asian Longhorned Beetle - Page 3
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Where ALB has been found
As of May 2014, there are active ALB infestations in Massachusetts, New York and Ohio. There are no known populations in Missouri.
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Tree Pests: Asian Longhorned Beetle - Page 6
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Before you report a possible ALB find
Many native, less serious borers attack hardwood trees and do not need to be reported. Consult the ALB signs and symptoms. Early detection of ALB infestations and rapid treatment response are critical to successful eradication of this beetle.
If you find a suspect beetle in Missouri:
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Tree Pests: Thousand Cankers Disease - Page 2
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TCD signs and symptoms Identify tree as a walnut
TCD only affects walnut species. In Missouri, that means eastern black walnut and butternut. At first glance, trees such as pecan, tree-of-heaven, goldenraintree and black locust can be mistaken for a black walnut tree. So, to begin, make sure your tree is a walnut.
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Tree Pests: Thousand Cankers Disease - Page 3
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Where TCD has been found
Thousand cankers disease occurs in nine western and five eastern states (shaded pink); the year in which the disease was confirmed is noted. Since 2010, TCD has been confirmed in Ohio, North Carolina, Pennsylvania, Tennessee and Virginia.
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Tree Pests: Thousand Cankers Disease - Page 6
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Slow the spread of TCD
You can help minimize the chances of spreading TCD by following these steps:
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Tree Pests: Asian Longhorned Beetle
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Introduction
The invasive Asian longhorned beetle (ALB) hitchhiked to the United States nestled deep within hardwoods cut into crates and pallets and used to import goods from Asian countries.
![Cover art for publication DMS283](/sites/default/files/styles/large/public/images/dms0283cvr.jpg?itok=CXXyB-P4)
Stock Healthy, Shop Healthy: Large Shelf Talkers (Spanish)
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Small food-retailers participating in the Stock Healthy, Shop Healthy program, help your Spanish-speaking customers make healthier choices by posting these shelf talkers on how to select and store various healthy products. Download, print and hang!
![Cover art for publication G5999](/sites/default/files/styles/large/public/images/g05999cvr_1.jpg?itok=xIkF0qzE)
Forestry Assistance for Landowners
Revised
Proper care and management of private forests are important to Missouri's economy. Visit our site to learn about Forestry Assistance for Landowners.
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Wheat Silage for Beef Cattle
Reviewed
Wheat, barley and oat silages are often underrated as feed for growing and finishing beef cattle. Studies show barley silage as being equal to corn silage, but they show that oat silage has about 50 percent the value of corn silage in beef rations.
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Pesticide Dealers
Revised $20
Editor's note
The following abstract describes a publication that is only available for purchase.