Charles H. Bronson, Commissioner    -    James R. Karels, Director


 


Forest Health> Insects> Southern Pine Beetle> 2006 Southern Pine Beetle Forecast

Table 1. 2006 Trapping Survey: Results, Trends, and Predictions

County

No. of traps

No. of.spots 2005

2005 Predictions

# of SPB/trap/day

%SPBb

Population Trenda

Activity Levelc 

2005

2006

Trenda

2005

2006

Trenda

Alachua

2

0

<1

0

S

12

0

D

S

Low

Baker

1

0

0

0

S

0

0

S

S

Low

Bradford/ Union

1

0

<1

<1

S

29

7

D

S

Low

Clay

1

0

<1

5

I

56

65

S

S

Low

Columbia

1

0

<1

0

S

9

0

D

S

Low

Duval

1

1

45

<1

D

98

30

D

D

Low

Flagler/St. Johns

1

0

<1

0

S

50

0

D

S

Low

Gadsden

2

5

9

4

D

94

62

D

D

Low

Hamilton

2

0

<1

<1

S

2

3

S

S

Low

Hernando

1

0

0

0

S

0

0

S

S

Low

Holmes

1

0

4

0

D

83

0

D

D

Low

Jackson

1

0

5

<1

D

78

8

D

D

Low

Jefferson

1

0

<1

<1

S

57

71

S

S

Low

Lake

1

0

<1

0

S

7

0

D

S

Low

Leon

1

0

<1

0

S

67

0

D

S

Low

Madison

1

0

<1

0

S

5

0

D

S

Low

Marion

2

0

<1

0

S

11

0

D

S

Low

Nassau

2

0

<1

0

S

81

0

D

S

Low

Okaloosa

2

0

90

14

D

96

27

D

D

Low

Orange

1

0

0

0

S

0

0

S

S

Low

Putnam

1

0

0

<1

S

0

100

I

S

Low

Seminole

1

0

<1

0

S

92

0

D

S

Low

Suwannee

2

0

0

0

S

0

0

S

S

Low

Walton

1

0

3

<1

S

56

3

D

D

Low

Washington

1

0

<1

<1

S

25

1

D

S

Low

STATE TOTAL

32

6

6

1

S

36

15

D

D

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.

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