Thursday, November 1, 2012
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A survey conducted over the past seven months of the 13 southwest Indiana counties in which emerald ash borer had not been previously detected showed no signs of the invasive insect that kills ash trees.
As part of the survey, traps were strategically located in five southwestern counties-Gibson, Posey, Spencer, Vanderburgh and Warrick.
"The 82 purple traps placed on the designed grid did not capture any of the beetles," said Phil Marshall, state entomologist.
Visual surveys were also conducted by DNR experts during spring and summer in the eight other southwestern Indiana counties (Crawford, Daviess, Greene, Knox, Martin, Perry, Pike and Sullivan). No new EAB infestations were detected.
Visual survey continues to be the primary method for new detections in the 79 quarantined counties. The survey helps monitor local spread into new areas of infested counties and to detect the first infestation in quarantined counties.
At the start of 2012, a total of 28 quarantined counties did not have an EAB infestation. From the 2012 visual survey, EAB was detected for the first time in Henry, Newton and Wayne counties.
In addition to those detections, EAB was detected for the first time in 38 new townships in 18 infested counties, and in the cities of Bloomington, Franklin and West Lafayette.
Detections provide information to guide landowners on management of their ash trees by letting them know how close EAB is. This information allows them to make more informed decisions about management options.
Marshall recommends limited movement of regulated ash material and hardwood firewood within the 79 quarantined counties to reduce further spread of the insect. DNR campgrounds allow only firewood that is federally or state certified, or has had the bark removed.
While movement of regulated ash items within and between the 79 quarantined counties area is no longer restricted, Marshall asks that ash material such as firewood not be moved from an infested quarantined county into a quarantined county that does not have EAB.
To legally move regulated materials out of the 79 quarantined counties, a compliance agreement must be obtained from the Indiana DNR. An application for a compliance agreement can be filed by calling (317) 232-4120. To view quarantined areas and EAB sightings in Indiana, see dnr.IN.gov/entomolo/5349.htm.
As part of the survey, traps were strategically located in five southwestern counties-Gibson, Posey, Spencer, Vanderburgh and Warrick.
"The 82 purple traps placed on the designed grid did not capture any of the beetles," said Phil Marshall, state entomologist.
Visual surveys were also conducted by DNR experts during spring and summer in the eight other southwestern Indiana counties (Crawford, Daviess, Greene, Knox, Martin, Perry, Pike and Sullivan). No new EAB infestations were detected.
Visual survey continues to be the primary method for new detections in the 79 quarantined counties. The survey helps monitor local spread into new areas of infested counties and to detect the first infestation in quarantined counties.
At the start of 2012, a total of 28 quarantined counties did not have an EAB infestation. From the 2012 visual survey, EAB was detected for the first time in Henry, Newton and Wayne counties.
In addition to those detections, EAB was detected for the first time in 38 new townships in 18 infested counties, and in the cities of Bloomington, Franklin and West Lafayette.
Detections provide information to guide landowners on management of their ash trees by letting them know how close EAB is. This information allows them to make more informed decisions about management options.
Marshall recommends limited movement of regulated ash material and hardwood firewood within the 79 quarantined counties to reduce further spread of the insect. DNR campgrounds allow only firewood that is federally or state certified, or has had the bark removed.
While movement of regulated ash items within and between the 79 quarantined counties area is no longer restricted, Marshall asks that ash material such as firewood not be moved from an infested quarantined county into a quarantined county that does not have EAB.
To legally move regulated materials out of the 79 quarantined counties, a compliance agreement must be obtained from the Indiana DNR. An application for a compliance agreement can be filed by calling (317) 232-4120. To view quarantined areas and EAB sightings in Indiana, see dnr.IN.gov/entomolo/5349.htm.
Contact:
Phil Marshall, director of DNR Division of Entomology & Plant Pathology, (317) 232-4189.
Phil Marshall, director of DNR Division of Entomology & Plant Pathology, (317) 232-4189.
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