Charles H. Bronson, Commissioner    -    Michael C. Long, Director
 

 
Forestry Home > Forest Management > Forest Health> Insects> Southern Pine Beetle> 2007 Southern Pine Beetle Forecast

Table 1. 2007 Trapping Survey: Results, Trends, and Predictions

County

No. of traps

No. of.spots 2006

2007 Predictions

# of SPB/trap/day

%SPBb

Population Trenda

Activity Levelc 

2006

2007
Trenda

2006

2007

Trenda
Alachua
2
1
0
<1
S
0
26
S
S
Low
Baker
1
0
0
0
S
0
0
S
S
Low
Bradford
1
0
<1
<1
S
7
33
S
S
Low
Clay
1
0
5
<1
D
65
62
S
S
Low
Columbia
1
0
0
<1
S
0
33
I
S
Low
Duval
1
0
<1
<1
S
30
64
I
S
Low
Gadsden
2
0
4
2
S
62
65
S
S
Low
Hamilton
2
0
<1
<1
S
3
8
S
S
Low
Hernando
1
0
0
<1
S
0
33
I
S
Low
Holmes
1
0
0
0
S
0
0
S
S
Low
Jackson
1
0
<1
<1
S
8
5
S
S
Low
Jefferson
1
0
<1
<1
S
71
50
S
S
Low
Lake
1
0
0
<1
S
0
50
I
S
Low
Leon
1
1
0
0
S
0
0
S
S
Low
Levy
1
0
*
0
*
*
0
*
S
Low
Madison
1
0
0
0
S
0
0
S
S
Low
Marion
2
0
0
<1
S
0
44
I
S
Low
Nassau
2
0
0
<1
S
0
100
I
S
Low
Okaloosa
2
0
14
9
D
27
22
S
S
Low
Orange
1
0
0
<1
S
0
75
I
S
Low
Putnam
1
0
<1
<1
S
100
33
D
S
Low
Seminole
1
1
0
<1
S
0
0
S
S
Low
St. Johns
1
0
0
0
S
0
0
S
S
Low
Suwannee
2
0
0
<1
S
0
65
I
S
Low
Walton
1
0
<1
0
S
3
0
S
S
Low
Washington
1
0
<1
<1
S
1
19
S
S
Low
STATE TOTAL
33
3
1
1
S
15
25
S
S
Low

a D=Declining, S=Static, I=Increasing.  Annual changes of <3 units or <30% were considered 'Static'.

b %SPB is the ratio of SPBs to the combined clerid-plus-SPB (predator + prey) population, expressed as a percent.

c Activity level prediction based on model developed by Ron Billings , Texas Forest Service.

* Data were not collected for this county in 2006
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