The Integrated Pest Management Program along with OSU Extension educators across the state are monitoring five key pests this season. Monitoring sites are set up on farmer’s fields across the state and will be updated weekly.
Brown Marmorated Stink Bug – This insect will not be monitored for until late July. Adults are currently active on a broad range of specialty crops.
Spotted wing Drosophila – A total of eight sites have been set up in Greene, Geauga, Loraine, Adams and Ross counties. SWD has been detected in all counties with individual trap counts ranging from 6 to 184 flies. The threshold for this pest is 1 fly. If this threshold is exceeded and ripe or ripening fruit is present, growers should consider applying insecticides or use other cultural methods to manage the infestation through final harvest. Growers with ripening brambles, blueberries, peaches and other soft skinned fruit should be aware this pest is likely present in all 88 counties at this point in the season. Refer to this factsheet for more information https://bpb-us-w2.wpmucdn.com/u.osu.edu/dist/1/8311/files/2020/11/SWD_Ohio_handout_V20.pdf
European corn borer – Five monitoring sites are set up in South Charleston (Clark Co.), Fremont (Sandusky Co.), Geauga and Huron Counties. All sites are reporting low moth numbers for the past two weeks, ranging between 0-3 moths per trap per week.
Corn earworm – Eight monitoring sites are set up in Clark, Sandusky, Fayette, Huron, Pike and Crawford counties. Moth counts have fluctuated in the past two weeks between 0-17 moths per trap per week, with the highest moth count in Clark county. As we get later into the season, expect larger migratory flights of CEW to be present in the state, especially around silking sweet corn. If you have a trap that is located near a mature sweet corn field, move it to a soon to be silking field, as CEW moths are preferentially attracted to silking sweet corn over young or mature sweet corn plants.
Squash vine borer – There are 11 counties currently trapping for this pest in Clark, Greene, Montgomery, Fayette, Geauga, Ross, Pike, Seneca, Morrow, Summit and Williams counties. Clark, Greene, Seneca, Williams and Montgomery. Reports for the last two weeks show a general reduction of moths captured per trap per week, ranging between 0 and 5. This insect should continue to decline through the rest of the season. As growers walk and scout fields, be vigilant to identify potential SVB damage on plants to estimate injury.
Growers can access and view the monitoring data directly at this site.
https://docs.google.com/spreadsheets/d/1T4Uk8VKH-fY4qms4FlEwQvz8o1Lxk-t8LLHVz97kxNU/edit?usp=sharing