February 27-March 3 is Invasive Species Awareness Week

As we enter Invasive Species Awareness week, it is important to remember that early detection is the best way to slow the spread of invasive species. The early detection of Asian longhorned beetle (ALB) by concerned citizens in 1996, and subsequent involvement by community members, has resulted in the containment or eradication of ALB in four states. Continued public involvement will help us protect Indiana trees in the future.

You can report invasive species by calling the Invasive Species hotline at 1-866-NO-EXOTIC (1-866-663-9684) or using the free Great Lakes Early Detection Network smartphone app, which can be downloaded on iTunes or GooglePlay. Purdue has put together a YouTube video to demonstrate how easily the app can be used to alert authorities:


If you’re interested in learning more about invasive pests and how to report them, sign up for one of our free Early Detector Training workshops!


The workshops will be held on July 11th in Bloomington, July 12th in Aurora, and July 13th in Nashville. You’ll learn about invasive species such as the emerald ash borer, the Asian longhorned beetle, thousand cankers disease, and the hemlock wooly adelgid, their hosts, and how to use the Great Lakes Early Detection Network app to report them.

August is Forest Protection Month

August is the best time to look for and report Asian Longhorned Beetle (ALB) and Emerald Ash Borer (EAB) damage. Together these beetles could rob Indiana of 75% of its street trees and a substantial portion of its forests. Both pests are spread through the movement of infested firewood. For this reason, U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) is asking people take time to examine their trees for these pests. Early detection and reporting of these pests can protect Indiana trees from widespread destruction. These pests can easily be reported with a smartphone, computer, or just a phone call.

Maples are the most preferred host of ALB. Concerned citizens should focus their inspection on the tree trunk and branches, because the leaves of infested trees often appear normal. Look for perfectly round holes the size of a dime. Fine piles of sawdust shavings can be found coming out of the holes or in piles on branches or the base of the tree. Dark pockmarks on the trunk or branches may be accompanied by wet and bleeding sap. The Asian longhorned beetle has distinctive markings that are easy to recognize: Look for a large (1-1 ½”) shiny black beetle with white spots and black and white antennae that are longer than the insect’s body.

Although the small green EAB beetles are more difficult to detect than ALB, the signs of their presence are distinctive. Ash trees attacked by EAB have dead and dying branches near the top of the tree, woodpecker holes, vertical splits in the bark and D-shaped exit- holes. Symptoms become apparent this time of year when infested trees are too stressed to maintain a fully leafed canopy.

ALB has not yet been reported in Indiana. But, it has been found as close as Chicago and outside of Cincinnati. Early detection of this pest in Indiana can trigger control measures that can contain its spread, protecting maple and other host trees. In contrast, EAB has already spread throughout much of Indiana. Reporting where EAB is killing trees can help cities prepare and implement management plans designed to save trees and protect the public from the hazards of dying trees.

Reporting these pest to the Indiana Department of Natural Resources is easy as a phone call to 1-866-NO-EXOTIC or a few clicks on the free Great Lakes Early Detection Network smartphone app. Purdue has put together a YouTube video to demonstrate how easily the app can be used to alert authorities:

Concerned citizens were the first to report ALB in the US when it was first found in 1996. Thanks to their efforts ALB infestations have been contained or eradicated in four different states. Continued public involvement will help us protect Indiana trees in the future.


Screen Shot 2016-08-08 at 11.58.12 AM

These images of pockmarks and staining on maple trunks infested with Asian Longhorned Beetles (left) and the thinned canopy of ash trees infested with Emerald Ash Borer (right) and hundreds more are available on the Purdue Tree Doctor App at PurduePlantDoctor.com.

Tired of EAB and Other Invasives? Download Free App and Report IN!


John Obermeyer, Purdue University

It’s hard to believe that something could be so small and cause such widespread damage, and yet, the emerald ash borer (EAB) is responsible for the deaths of hundreds of millions of North American ash trees.


John Obermeyer, Purdue University

EAB larvae kill ash trees by feeding on the conductive tissue of the tree, preventing the flow of nutrients within the tree.


John Obermeyer, Purdue University

Since its arrival in North America in the early 1990s, EAB has spread to twenty-eight states and two Canadian provinces. So far in 2016, it has been detected in two new states: Nebraska and Texas.

But what’s going on with EAB in Indiana?

EAB Mortality Area through 2015-2

Currently, many Indiana counties are experiencing severe EAB-induced ash mortality.

EABstate 041816 Positive Negative Detected 2016 counties

You can help us track the spread of EAB in Indiana by downloading the free Great Lakes Early Detection Network app onto your smartphone or tablet and reporting any EAB you see! Watch our video to learn how!

To download the app, click the following links!




John Obermeyer, Purdue University

Sick of Stink Bugs and Other Invasives? Download Free App and Start Report IN!


Adult Brown Marmorated Stink Bug

Chances are you’ve seen one of these bugs around your house. They can be a nuisance (not to mention smell bad), but what are they?

These are brown marmorated stink bugs, an invasive species from China accidentally introduced to the United States in the late 1990s. You can tell them apart from native stink bugs by their black-and-white antennae and gray underside.



Characteristic markings of the adult

In addition to getting in your house, the brown marmorated stink bug damage crops like apples and sweet corn. So what can you do to help fight against the spread of brown marmorated stink bug?


Immature Brown Marmorated Stink Bug on Leaf

We need to know where it is to implement control measures. However, we can’t say it’s a problem unless you report it!



bmsb map march 2016

Known Locations of Brown Marmorated Stink Bug – We can do better!!

As you can see, only a few counties have reported brown marmorated stink bug, even though we know it has spread throughout the entire state.

Start Report IN! Help us fill in the map by downloading the free Great Lakes Early Detection Network app onto your smartphone or tablet (links below) and reporting any brown marmorated stink bugs you see!






For more information on BMSB, please see this link.



Thanks for your help. We will send you a link to an updated map in June to let you know about newly reported finds!