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TextGypsy Moth Aerial Treatment Program
The county will begin its aerial spraying program to suppress gypsy moth caterpillars in late April or early May, depending on caterpillar size, weather and leaf development. All treatment areas will be sprayed with the pesticide Bacillus Thuringiensis.
Written notification will be mailed to all property owners within the treatment areas and within 3000 feet of any treatment area in February and again in early April. Participation in this program is voluntary. If you receive written notification that your property is located within a treatment area and you wish not to participate, you must notify, in writing, the Forest Pest Branch at 12055 Government Center Parkway, Suite 518, Fairfax, VA 22035. Your letter must be post marked no later than March 14, 2009.
Please contact the Forest Pest Branch at 703-324-5304, TTY 711 or by e-mail if you have any questions or concerns.
2009 Treatment Areas
Click on a number on the map below to see a close up view of any treatment area.
| Spray Block | Date | Time |
| 1 | 5/8/09 | 6:50 am |
| 2 | 5/8/09 | 6:35 am |
| 3 | 5/11/09 | 6:57 am |
| 4 | 5/11/09 | 7:24 am |
| 5 | 5/12/09 | 9:14 am |
| 6 | 5/11/09 | 6:19 pm |
| 7 | 5/11/09 | 6:31 pm |
| 8 | 5/11/09 | 6:39 am |
| 9 | 5/8/09 | 10:17 am |
| 10 | 5/12/09 | 12:57 pm |
| 11 | 5/12/09 | 1:15 pm |
| 12 | 5/8/09 | 11:09 am |
| 13 | 5/8/09 | 10:45am |
| 14 | 5/8/09 | 6:11 am |
| 15 | 5/8/09 | 6:43 am |
| 16 | 5/8/09 | 6:28 am |
| 17 | 5/12/09 | 9:30 am |
| 18 | 5/12/09 | 9:50 am |
| *19 | 5/13/09 - 5/15/09 | |
| 20 | 5/8/09 | 11:52 am |
*Block 19 was treated using ground trucks
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