Woody Ornamental Integrated Pest Management at Penn State
HOME: Woody Ornamental Integrated Pest Management
FACT SHEETS: Identification and management of insects and diseases on landscape plants
PEST ACTIVITY: Weekly reports on insect and disease activity in Southwestern Pennsylvania
PEST DIAGNOSIS: Images of major insect and disease pests of landscape plants
CLASSES: Educational offerings in Southwestern Pennsylvania
CONTACT US: Mailing address, phone number, fax, and email information
SERVICES: Soil testing, insect and disease identification
RELATED LINKS: Integrated Pest Management information on the Web



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Previous GDD Readings

Pest Activity > Previous GDD Readings

2007

Month
Day

Uniontown

PGH

Wexford
Prospect
March
14
17
14
11
7
 
21
26
22
18
13
28
82
77
72
66
April
4
140
130
112
111
   
11
142
130
113
112
18
143
130
113
112
25
196
190
165
160
May 
2
257
250
209
201
 
9
332
324
276
266
16
457
442
379
367
23
512
505
415
414
30
679
670
540
539
June 
6
802
790
675
672
13
927
912
792
787
20
27

2006

Month
Day

Union
town

New
Stanton

PGH
Prospect
March
1
 
8
15
**
22
12
22
**
22
12
   
29
**
29
14
April
5
**
59
**
12
92
86
89
52
 
19
148
151
159
77
 
26
170
174
194
95
May
3
185
290
303
108
10
236
352
367
149
17
286
413
156
 
24
489
512
160
31
556
580
216
June
7
433
669
697
252
14
488
728
761
276
 
21
28
   
** - denotes problems with equipment

2005

Month
Day

Union
town

New
Stanton

PGH
Prospect
Mercer
March
2
0
0
0
 
9
4
16
4
23
6
   
30
13
April
6
41
40
42
42
13
98
 
20
***
151
168
133
176
 
27
218
166
185
152
187
May
4
237
176
197
155
197
11
336
238
267
212
276
18
465
354
388
270
337
 
25
538
410
463
311
375
June
1
8
15
 
22
29
Month
Day
Franklin
Meadville
Erie
Harbor
Creek
March
2
 
9
       
16
       
23
   
30
April
6
40
31
18
28
13
66
61
38
41
 
20
116
112
116
73
 
27
143
121
98
77
May
4
175
123
104
78
11
246
182
127
117
18
331
227
206
135
 
25
404
258
243
158
June
1
8
15
 
22
29

*** Equipment calibration error

 

2004

Month
Day

Union
town

New
Stanton

PGH
Wexford
Prospect
Mercer
March
10
20
18
17
12
10
10
 
17
23
21
19
13
10
10
24
36
32
29
22
10
10
31
80
xx
57
47
33
40
   April
7
81
65
60
47
33
40
14
85
69
61
49
34
42
21
151
139
131
109
91
98
 
28
175
xx
198
152
113
125
 May
5
213
261
268
212
152
170
12
xx
364
411
293
235
262
19
xx
465
514
402
312
358
26
xx
609
662
535
407
485
 June
2
810
712
769
613
442
559
9
16
23
 
30
July
7
Month
Day
Franklin
Meadville
Erie
Harbor
Creek
March
10
12
11
8
9
 
17
12
11
8
9
24
12
12
8
10
31
36
36
27
31
  April 
7
36
38
28
32
14
37
40
31
34
21
xx
109
78
106
 
28
130
132
104
137
 May
5
180
175
143
186
12
273
292
238
307
19
xx
382
317
456
26
463
491
414
581
 June
2
505
567
489
679
9
16
23
 
30
July
7

2003

Month
Day

Union
town

New
Stanton

PGH
Wexford
Prospect
Mercer
March
12
13
3
 
 
0
1
 
19
78
35
 
28
19
34
26
111
56
62
45
24
51
 April
2
149
92
98
72
29
75
  
9
216
125
135
93
40
95
16
303
172
183
145
52
135
23
359
211
225
165
70
 
 
30
448
258
288
239
91
 
 May
7
 
 
 
 
 
 
14
530 
338 
383 
312 
 
277 
21
681 
450 
496 
344 
 
370 
28
743 
515 
565 
421 
 
408 
 June
4
802 
554 
640 
 
 
450 
11
929 
635 
730 
 
 
527 
18
 
 
 
 
 
 
25
 
 
 
 
 
 
July
2
 
 
 
 
 
 
Month
Day
Franklin
Meadville
Erie
Harbor
Creek
March
12
0
0
s0
0
 
19
24
12
14
26
34
25
21
 April
2
57
41
38
  
9
69
45
38
16
107
87
23
 
30
 May
7
14
247
205
165
21
357
307
245
28
400
341
271
 June
4
451
396
314
11
538
444
18
25
July
2

 

2002

Month
Day

Union
town

New Stanton
PGH
Wexford
Prospect
Mercer
March
6
0
0
0
0
0
 
13
27
23
26
17
15
4
 
20
53
44
43
37
32
9**
 
27
55
44
43
37
32
9
  April
3
84
68
63
58
47
20
 
10
110
91
92
84
61
33
 
17
195
172
170
149
114
101
 
24
262
237
256
211
179
167
 May
1
295
263