David Owens, Extension Entomologist, owensd@udel.edu and Bill Cissel, Extension Agent – Integrated Pest Management; bcissel@udel.edu
Sweet corn trapping data is updated by Tuesday and Friday mornings and can be accessed here: http://agdev.anr.udel.edu/trap/trap.php . I expect earworm counts to start decreasing; you can look at our historical trapping data
| Trap Location | BLT – CEW (3 nights total catch) | Pheromone CEW
(3 nights total catch) |
Corn Spray Schedule |
| Dover | 1 | 8 | 4 day |
| Harrington | 0 | 4 | 4-5 day |
| Milford | 0 | 3 | 5 day |
| Rising Sun | 0 | 22 | 4 day |
| Wyoming | 0 | 0 | No spray |
| Bridgeville | 0 | 12 | 4 day |
| Concord | 0 | 3 | 5 day |
| Georgetown | 0 | 0 | No spray |
| Greenwood | 0 | 0 | No spray |
| Laurel | 0 | 7 | 4 day |
| Seaford | 0 | 0 | No spray |
The spray schedule listed in the table is based off our sweet corn action thresholds which can be found here: http://extension.udel.edu/ag/insect-management/insect-trapping-program/action-thresholds-for-silk-stage-sweet-corn/ .