Gypsy Moth Defoliation In Virginia
1984 - 2007
(Acres)

The data below is based on aerial sketch mapping and aerial photo interpretation.

County	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996-99^**	2000	2001	2002	2003	2004**	2005	2006	2007	2008
Accomack									600	100	135	1,074
Albemarle							15,000	20,000	25,400	7,500	5,812	29,053
Alleghany														7,187	32,907	6,444	14,393				4,442	5,238
Amherst							1,000	500	7,900	2,200	11,221	44,972		367	3,262	1,133	168
Arlington					28
Augusta							11,000	14,200	97,400	91,100	32,724	200,991			285	2,930	8,969				15,769	33,918
Bath										1,300	55	27,245		15,935	131,672	7,712	25,537					938
Bedford														3,963	19,207	7,215
Botetourt														1,397	30,811	9,655	3,383
Clarke		2,694	5,364	5,986	7,720	3,274	8,000	1,700	8,300	2,000	708	6,590		4,114	12,625	113					628	414
Covington
Craig																	408				5,281	8,205
Culpeper						1,588	12,000	24,900	18,100	3,500	7,589	8,401
Fairfax					76	4,825	9,000	2,500	100	1,200	1,097	1,297									88
Fauquier		337	5,235	3,768	14,227	17,468	20,000	42,600	21,900	56,300	27,769	29,335		2,417	11,132		69					203
Frederick		175	5,430	31,392	51,067	12,785	26,000	11,200	47,200	62,100	2,892	5,625		9,869	57,082				2,541	3,355	8,059	5,476
Giles																			1,821	4,004	13,818	15,428
Greene						2,383	23,000	32,100	13,700	300	5,541	4,203
Highland										1,900	12,757	87,197			356		15,982				166	5,148
Loudoun	235	2,247	7,119	3,396	4,071	4,289	4,000	1,400	6,500	16,700	16,957	14,610		2,115	1,190						1,481	5,018
Madison				56	15	43,537	74,000	19,400	43,400	6,400	40,983	13,025					84					1,077
Montgomery																				3,195	4,287	4,950
Nelson							10,000	8,400	28,200	4,700	23,727	39,585				122						157
Northampton									100	100	124	3,060
Orange								400	3,400	6,100	1,386	2,863
Page		25	253	761	5,627	20,497	92,000	56,500	59,100	63,500	88,665	88,062		910	4,326	4,804	894				2,345	3,822
Prince William			716	1,606	192	517	9,000	19,900	14,300	8,700	2,941	548		189	1,171		37					167
Pulaski																					562
Rappahannock			1,104	8,068	18,307	50,524	63,000	11,400	63,300	39,400	53,470	15,588				131					4,817	6,234
Roanoke																				4,069	7,668	4,376
Rockbridge							1,000	1,700	3,000	3,600	1,164	10,846		549	32,737	8,818	8,793
Rockingham						6,795	120,000	251,200	113,900	89,200	80,741	136,203		1,953	5,404	1,314	662					8,757
Shenandoah			1,648	7,488	35,600	33,940	78,000	65,900	152,700	103,100	30,591	72,329		15,249	78,843	1,454	548				3,541	1,349
Spotsylvania										200		30
Stafford							3,000	19,300	12,900	2,800	1,361	2,920
Warren		172	390	5,174	23,885	13,566	14,000	11,000	6,700	15,100	2,065	3,932		4,957	17,604						456	1,468
Winchester															4
Wythe															64
TOTAL	235	5,650	27,259	67,695	160,815	215,988	593,000	616,200	748,100	589,100	452,475	849,584	0	71,171	440,682	51,845	79,927	0	4,362.00	14,623.00	73,408.00	112,343

^* Based on aerial sketch mapping and aerial photo interpretation.
^** Defoliation too sparse to meet aerial mapping threshold.

Last modified: Tuesday, 12-Aug-2008 16:45:37 EDT

Gypsy Moth Defoliation In Virginia 1984 - 2007 (Acres)

Gypsy Moth Defoliation In Virginia
1984 - 2007
(Acres)