Table 15a                                                                                                                     Louisiana Bt                                                                                             Cotton Insect Losses – 2004

Pest

acres infested

acres treated

 # insect appls

Cost of 1 applic

cost/ acre

%red

Bales lost

Boll Weevil

6104

1529

0.002

$6.00

$0.01

0.00

0

Bollworm/Budworm

404,237

328,036

1.137

$8.13

$9.24

0.25

2,891

Pink Bollworm

0

0

0.000

N/A

$0.00

0.00

0

Cotton Fleahopper

183,226

15,285

0.003

$7.13

0.02

0.01

94

Lygus

442,324

442,324

5.365

$7.75

$41.58

2.77

32,650

Cotton Leaf Perforator

0

0

0.000

N/A

$0.00

0.00

0

Spider Mites

121,385

29,772

0.077

$11.98

$0.93

0.01

93

Thrips

373,538

206,029

0.491

$4.81

$2.36

0.04

477

Beet Armyworm

160,222

42,671

0.074

$9.67

$0.72

0.01

123

Fall Armyworm

144,987

34,317

0.059

$9.83

$0.58

0.02

259

European Cornborer

0

0

0.000

N/A

$0.00

0.00

0

Stink Bugs

350,888

328,036

1.137

$8.50

$9.66

0.26

3,047

Grasshoppers

157,175

0

0.000

N/A

$0.00

0.00

0

Saltmarsh Caterpillars

160,222

0

0.000

N/A

$0.00

0.00

0

Aphids

320,444

106,798

0.208

$7.78

$1.62

0.01

164

Banded Winged Whitefly

106,899

4,571

0.003

$7.50

$0.02

0.00

0

Silverleaf Whitefly (Bemesia)

0

0

0.000

N/A

$0.00

0.00

0

Loopers

259,250

83,818

0.127

$9.33

$1.19

0.01

132

Southern Armyworms

0

0

0.000

N/A

$0.00

0.00

0

Slugs

35,000

0

0.000

N/A

$0.00

0.08

894

Cutworms

105,396

250,129

0.596

$3.99

$2.38

0.00

54

 

 

 

 

 

 

 

 

Percent Lost

3.47

 

Est. yield/acre

893

 

 

Cost/ Acre

 

 

 

 

 

 

Foliar insecticide

$70.32

Total Acres

461,668

 

Spray applications

9.280

 

At planting

$6.35

 

 

 

 

 

 

Bt use fees

$27.63

 

 

 

Cost + loss

$68,134,757

 

Eradication

$10.00

Total Bales lost

40,878

 

 

 

 

Scouting

$7.79

Bales lost in dollars

$11,772,877

 

Cost + loss/acre

$147.58

 

Total

$122.08