Table 9a                                                                                                 Arizona Bt                                                                                                   Cotton Insect Losses – 2004

Pest

acres infested

acres treated

 # insect appls

Cost of 1 applic

cost/ acre

%red

Bales lost

Boll Weevil

0

0

0.000

N/A

$0.00

0.000

0

Bollworm/Budworm

101,314

5,639

0.030

$12.50

$0.37

0.106

802

Pink Bollworm

75,421

0

0.000

N/A

$0.00

0.040

298

Cotton Fleahopper

143,341

25,170

0.111

$10.50

1.17

0.189

1,423

Lygus

172,741

135,144

0.852

$14.93

$12.72

2.138

16,108

Cotton Leaf Perforator

46,892

0

0.000

N/A

$0.00

0.000

0

Spider Mites

59,346

15,177

0.077

$18.70

$1.45

0.125

939

Thrips

176,415

23,800

0.075

$8.00

$0.60

0.093

698

Beet Armyworm

83,291

9,520

0.019

$11.75

$0.22

0.024

181

Fall Armyworm

39,222

952

0.000

N/A

$0.00

0.001

8

European Cornborer

0

0

0.000

N/A

$0.00

0.000

0

Stink Bugs

106,860

24,124

0.068

$14.00

$0.96

0.154

1,163

Grasshoppers

65,477

7,616

0.021

$14.67

$0.31

0.023

174

Saltmarsh Caterpillars

65,702

9,520

0.045

$12.88

$0.58

0.028

208

Aphids

60,827

476

0.003

$15.00

$0.04

0.009

65

Banded Winged Whitefly

91,392

0

0.000

N/A

$0.00

0.000

0

Silverleaf Whitefly (Bemesia)

188,233

142,800

0.975

$30.04

$29.29

1.605

12,086

Loopers

55,922

1,904

0.003

$10.00

$0.03

0.006

44

Yellowstriped Armyworrms

38,080

2,856

0.001

$12.00

$0.01

0.004

30

Darkling Beetles

7,616

0

0.000

N/A

$0.00

0.001

5

Cutworms

21,706

0

0.000

N/A

$0.00

0.001

5

 

 

 

 

 

 

 

 

Percent Lost

4.55

 

Est. yield/acre

1,507

 

 

Cost/ Acre

 

 

 

 

 

 

Foliar insecticide

$47.74

Total Acres

190,400

 

Spray applications

2.280

 

At planting

$0.31

 

 

 

 

 

 

Bt use fees

$31.68

 

 

 

Cost + loss

$27,154,196

 

Eradication

$1.63

Total Bales lost

34,237

 

 

 

 

Scouting

$9.47

Bales lost in dollars

$9,860,337

 

Cost + loss/acre

$142.62

 

Total

$90.83

Official Arizona Cotton Losses may be seen on the Arizona WEB        http://cals.arizona.edu/crops/cotton/insects/cil/cil.html