Table 9a Arizona Bt Cotton Insect Losses – 2005

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

48,700

3,684

0.000

$16.00

$0.00

0.021

142

Pink Bollworm

48,469

3,540

0.020

$14.00

$0.28

0.012

80

Cotton Fleahopper

90,064

23,625

0.051

$6.24

0.32

0.076

503

Lygus

164,515

152,405

1.636

$17.14

$28.04

4.183

27,762

Cotton Leaf Perforator

18,290

0

0.000

N/A

$0.00

0.001

7

Spider Mites

44,250

26,486

0.150

$25.52

$3.82

0.156

1,034

Thrips

141,600

24,780

0.125

$12.34

$1.54

0.172

1,142

Beet Armyworm

39,810

5,555

0.016

$16.83

$0.26

0.009

60

Fall Armyworm

5,923

0

0.000

N/A

$0.00

0.000

2

European Cornborer

0

0

0.000

N/A

$0.00

0.000

0

Stink Bugs

80,891

35,739

0.202

$13.84

$2.79

0.114

758

Grasshoppers

11,665

325

0.002

$18.00

$0.03

0.014

96

Saltmarsh Caterpillars

18,655

3,540

0.003

$6.00

$0.02

0.011

70

Aphids

11,378

2,774

0.019

$14.00

$0.26

0.023

154

Banded Winged Whitefly

38,300

0

0.000

N/A

$0.00

0.000

0

Silverleaf Whitefly (Bemisia)

166,629

148,301

2.095

$28.63

$59.97

3.295

21,870

Loopers

7,776

885

0.005

$12.00

$0.06

0.000

3

Yellowstriped Armyworrms

634

0

0.000

N/A

$0.00

0.000

0

Pale-sided Flea Beetles

9,822

250

0.001

$15.00

$0.02

0.000

0

Cutworms

1,138

179

0.001

$11.73

$0.01

0.001

5

Percent Lost

8.09

Est. yield/acre

1,320

 

Cost/ Acre

 

 

 

 

Foliar insecticide

$97.43

Total Acres

177,000

Spray applications

4.324

At planting

$0.90

 

 

 

 

Bt use fees

$34.00

 

 

Cost + loss

$40,717,655

Eradication

$0.75

Total Bales lost

53,687

 

 

Scouting

$9.60

Bales lost in dollars

$15,461,889

Cost + loss/acre

$230.04

Total

$142.69

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