Emerald Ash Borer Trapping in the Metroplex

Emerald Ash Borer Trapping in the Metroplex

By Allen Smith

It’s not a complicated device:  just some purple plastic, coated with glue and baited with a clear pouch containing a lure– but this emerald ash borer (EAB) trap is a scientifically-designed instrument and serves as our first line of defense against EAB infestation.  Since 2011, Texas A&M Forest Service entomologists have been placing these traps in ash trees across Texas looking for the emerald ash borer.  The trap is known as a purple prism trap and is designed to catch adult EAB after they emerge in the spring.  A specific shade of purple is used as it has been proven to be effective in attracting female buprestid beetles.  The female EAB equate the purple color with the appearance of an ash tree trunk where they lay eggs.  Male buprestids, including EAB, are more attracted to a green color which is something that these visual insects would except to see in a tree canopy. 

Traps are held in the open position by a pot metal spreader to which raising/lowering lines are affixed as well as the EAB lure. Emerald ash borers, being visual creatures, do not use pheromones to locate mates as extensively as other insects such as bark beetles for example.  EAB lures are clear pouches containing  z-3 Hexenol, an alcohol compound used to mimic the volatile smells given off by ash foliage.

Traps are coated with a very sticky glue that persists the length of the 120-day trapping season.  Swarming, aggregating, and mating EAB become entangled in the glue and cannot escape.  Traps are hung in ash trees throughout the target county and checked after 60 days to see if any EAB have been caught.  At this time, a new hexenol lure is attached and trapping resumes for another 60 days.  After 120 total days of trapping, the traps are checked again for EAB and then removed from the locations.  Traps in counties where EAB has been reported, are checked weekly.  All caught EAB are removed and labelled with date of collection and trap name.  Collected samples are then sexed to determine the emergence timing of males vs. females and the opening and closing of the adult flight period window. 

Since the confirmation of the emerald ash borer, Agrilus plannipennis, in Tarrant County (2018) and Denton County (2020), interest in EAB management in the Metroplex has increased.  The Texas A&M Forest Service has been on the lookout for this most destructive forest pest since 2011 when 300 EAB traps were deployed in areas of east Texas with notable ash populations.  This year, approximately 500 EAB traps will deployed across Texas to provide a measure of early detection.  Most of the traps will be scattered throughout east Texas with almost 40 traps covering the Conroe/Houston/Galveston area.  Traps are already deployed for 2022 along the I-35 corridor from San Antonio to the Metroplex.  Dallas, Denton, Tarrant and surrounding Metroplex counties will host approximately 100 EAB traps.  Traps will be located in parks, cemeteries, natural areas, and on rural private lands that contain a sizable ash tree population. 

If you have any questions about emerald ash borers, EAB trapping or EAB management, please contact your local Texas A&M Forest Service office.

North Texas Giving Day 2017

North Texas Giving Day 2017

Cross Timbers Urban Forestry Council is proud to be a part of North Texas Giving Day.

North Texas Giving Day is an online giving event for people in North Texas to come together and raise as much money as possible for local nonprofits in the 16 county region around DFW. In just six years, North Texas Giving Day has pumped more than $156 million into the North Texas community. In 2016, more than 142,000 gifts totaling $37 million benefited 2,518 nonprofits.

From now until September 14, we want to spread news of this amazing event. We encourage everyone to brag about the great programs CTUFC provides our communities. We encourage all our members to donate and share our event information. If able to donate, know that a donation of $25 is able to receive additional funding. Here’s the really exciting part: Every gift made through North Texas Giving Day.org on September 14th helps our chances of winning prizes given throughout the day ranging from $500 to $5,000!

Our logo is a strong young post oak sprouting from an acorn surrounded and nurtured by the Cross Timbers Urban Forestry Council.  It represents the great things that can grow from humble beginnings when given the proper support.  Your contribution goes a long way in supporting that growth.

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Our current objectives are: * Continue providing up to date, science based information to tree care professionals at an affordable annual conference * Support volunteer education and outreach through the Citizen Forester program * Fund the Mayfest Tree giveaway and * Develop community tree planting projects through partnership with local organizations * Expand our capabilities by hiring our first employee; a part time Executive Director.
With past donations, CTUFC.org, has got a face lift allowing us to  continue to nurture urban forestry programs and an awareness of our natural resources.  The museum quality eco-history traveling exhibit, “The Cross Timbers a Natural Wonder”, has spread even farther across communities, reaching visitors in schools, libraries and city halls.  The exhibit fosters an appreciation of the natural and cultural history of the Cross Timbers region.
CTUFC will once again be able to cultivate sound urban forestry practices by cohosting one of the least expensive yet highest quality workshops in the State, the North Central Texas Urban Forestry Workshop.  Local municipal foresters will grow stronger by attending workshops paid for by the Council.
College students of urban forestry at Stephen F. Austin State and Texas A&M will receive scholarships to diminish the burden of escalating education costs. All of this will be due to your support.  Your contribution will help us spread the roots of sound urban forestry throughout our 17 county region.  We appreciate your involvement and have hopes that you are able to glean all the benefits of a healthy urban forest for many years to come.  Thanks to your contribution, we can make it happen.

 

Or go to https://northtexasgivingday.org/ and search Cross Timbers Urban Forest Council.

Crosstimbers Annual Meeting

Crosstimbers Annual Meeting

Loyd Park, Grand Prairie

September 22, 2017

11 AM

 

Make plans to join us for our annual membership meeting.  Everyone is invited to have lunch, review the year that was and vote on a new Executive Committee.   After the business meeting, you can enjoy the hiking trails, rent a kayak or canoe, or make an evening of it by reserving a cabin or campsite.  Loyd Park is located on the western shore of Joe Pool Lake in south Grand Prairie. Admission if free just say you are with Cross Timbers, everyone will meet in Loyd Lodge.  Click on the map for more information about Loyd Park.

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Let us know you are coming by registering on Eventbrite

North Texas Giving Day 2017

North Texas Giving Day

Please Support Us!

Cross Timbers Urban Forestry Council

To promote programs in the region to increase interest in urban and community forestry

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Our current objectives are: • Continue providing up to date, science based information to tree care professionals at an affordable annual conference • Support volunteer education and outreach through the Citizen Forester program • Fund the Mayfest Tree giveaway and • Develop community tree planting projects through partnership with local organizations • Expand our capabilities by hiring our first employee; a part time Executive Director.

2018 Tree Conference

2018 Tree Conference

Just Announced 

2018 Urban Forestry Conference

February 1, 2018

Arlington Convention Center
1200 Ballpark Way

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Arlington, TX. 76011

 The Crosstimbers Urban Forestry Council and Trinity Blacklands Urban Forestry Council are teaming up with North Texas Nursery Growers for the 2018 conference.  This collaboration will allow attendees to continue to have the top notch class that everyone is accustomed to and access to North Texas Nursery Growers trade show.  More information coming soon.

Texas Tree Bill

Texas Tree Bill

Article from Texas Tribute 8/16/2017 by Emma Platoff

Gov. Greg Abbott signs bill restricting city tree removal policies

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Emerald Ash Borer

Emerald Ash Borer

Emerald Ash Borer: The Ash Nightmare

By Rachel Murray

Many US cities are preparing for an Emerald Ash Borer, Agrilus planipennis (EAB) invasion. The EAB is native to northern Asia, but was discovered in Michigan and Ontario in 2002. The adult EAB has a bright outer metallic green color, with copper colored abdominal. It is roughly half an inch long, and only one eighth of inch wide. The EAB larva is milky white with bell shaped segments. Since it is discovery it has spread to over 25 states and most of eastern Canada. The invasion continues to move west. Already 70 million ash trees have been infected and there is a chance of losing a large percentage ash trees in North America. East Texas has already been affected by the EAB. There is a chance that EABs will travel to the DWF metroplex.

You can easily identify if your tree has been infected or not. When an EAB larva bores in to an ash tree, they create a winding S shape path, called galleries. These galleries become visible when the bark begins to split. If your tree is infected, callous tissue will start to form causing the bark to become weak. Another thing to look out for is D shape holes. After they become an adult, the EAB exits the tree and create the hole. You can recognize if your tree has been infected by checking for the S shaped galleries and D shape holes. A citizen can also observe if the tree has been infected by watching for  epicormic shoots.  Epicormic shoots are small shoots that grow from previously dormant branches. If you can identify these factors on your tree, it is likely it has been infected and needs to be treated.

There is multiple ways for you to prevent the invasion of EAB. Most time if an ash tree gets infected it will die in 2-3 years. At this time it would be helpful for you to remove your tree and replace it with another species.  As a citizen you can also spray/inject pesticides for your ash tree. You will have to do this annually, but most the time is will protect your trees from the EAB. To reduce the spread of EAB larvae, do not bring any firewood or ash wood into the area. Even after a tree is cut down the EAB larva can survive and continue to infect the area. Also when you do store firewood, be sure to always keep it away from existing trees, in case of any other pests.

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Being observant of signs and knowing the prevention’s can help us stay protected from the emerald Ash Borer.

Picture credits:

Arbor Day Foundation

Emeraldashborer.info

Big Tree Tour 2017 Thank You

Big Tree Tour 2017 Thank You

Mother nature cooperated and the predicted storms held off long enough to complete our spring Tree Tour. Over 20 people spent the day visiting some of the most notable trees in the region. Some were historic, some were really big and some were just odd! Local arborist Wes Culwell designed the tour stops and had a wealth of information on each tree visited. The day started with a stop at a giant post oak tree where Sam Houston camped while traveling through North Texas and ended with a live oak in Lake Worth that was saved from destruction when the highway was expanded. This tree is currently being cared for by a group of local patrons! Also thanks to the City of Grand Prairie for providing vans and drivers for transporting the tour participants.

Courtney Blevins, CF, CA

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Ft. Worth Regional Forester

Citizen Forester Report

Citizen Forester Report

First Quarter 2017 CTUFC Newsletter
Citizen Forester Report
By David Coke

The Citizen Forester Liaison to the CTUFC Board resigned in January.  The Citizen Forester Leadership has presented to the Board a revisited the definition of that position and is working on finding a replacement.  We thank Camille Drinan for all of her contributions to the Citizen Forester program and to the CTUFC Board.  We wish her well in all of her future endeavors.

Patsy Miller has accepted the position of Arlington Citizen Forester Coordinator and is already working with the Arlington Forestry staff and others to bring more activities to the Arlington area.

The first quarter of 2017 was busy.  Eleven Citizen Foresters attended the CTUFC annual convention, eighteen attended the First Quarter Citizen Forester Meeting, and Denton’s Citizen Forester Training session has twenty two students.
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Citizen Foresters aided by Fort Worth Botanic Garden volunteers, pruned The Grove and over the parking lot behind The Gardens Restaurant in January.  We also pruned trees on the south side of Lancaster west of the old Post Office in January.  The next time you are in the Botanic Gardens or in the south of downtown Fort Worth be sure to admire the work done at those locations.

Citizen Foresters also aided at the Arlington Tree Farm and at the Fort Worth Tree Farm.

The Citizen Foresters contributed a total of over 171 hours of volunteer time and continuing education time during the first quarter of 2017.