Table 1. Estimated damage to cotton in the USA by arthropod pests with consequent cost of control and yield loss..

(Prepared February 16, 1987).

Table 1a. All States

 

Pest

Acres

infested

Acres

Treated

No. insecticide

applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

4093256

2639313

1.5

3.06

1.93

189339

Boll/budworms

7218574

4575047

1.8

6.16

2.20

216738

Fleahoppers

5077138

2023242

0.2

2.60

0.86

84811

Lygus bugs

3753867

1721531

0.2

5.26

0.80

79008

Leaf perforator

736150

200700

0.0

7.80

0.01

1909

Pink bollworm

461975

341700

0.0

8.31

0.21

20836

Spider mites

2934741

1125309

0.2

8.42

0.37

37036

Thrips

5233604

2914768

0.4

2.69

0.27

26644

Armyworms

1472287

443536

0.0

9.87

0.02

2483

Minor pests

3350076

2606529

0.3

3.25

1.03

101466

New pests

467815

226700

0.0

4.25

0.01

1122

Acreged harvested: 9270502 Yield per acre:1.06 Bales

Percent lost: 7.76 Dollars lost: 219,282,688 Cost per acre: 24.70

Table 1b. North Alabama

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

208200

200000

6.7

1.40

8.69

18525

Boll/budworms

208200

208200

4.0

4.60

4.22

8999

Fleahoppers

0

0

0.0

0.00

0.00

0

Lygus bugs

208200

85000

0.4

0.80

0.32

699

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

175000

78000

0.3

5.10

0.30

642

Thrips

208200

208200

2.0

2.85

1.00

2142

Armyworms

115000

100001

0.4

6.50

0.09

205

Minor pests

208200

180000

1.7

0.90

0.17

370

New pests

70000

0

0.0

**.**

0.00

0

Acreage harvested: 2070000 Yield per acre: 1.03 Bales

Percent lost: 14.82 Dollars lost: 9,096,635 Cost per acre: 40.66

Table 1c. South Alabama

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

138800

138800

8.0

1.40

14.00

20241

Boll/budworms

138800

138800

7.0

4.60

5.00

7229

Fleahoppers

0

0

0.0

0.00

0.00

0

Lygus bugs

138800

1388

0.0

0.80

0.00

1

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

138800

27760

0.2

5.10

0.04

57

Thrips

138800

138800

2.0

2.85

1.00

1445

Armyworms

30000

6500

0.0

6.50

0.02

33

Minor pests

138800

130000

1.8

0.90

0.28

406

New pests

138800

130000

0.9

3.50

0.04

67

 

Acreage harvested: 138800 Yield per acre: 1.04 Bales

Percent lost: 20.39 Dollars lost: 8,491,322 Cost per acre:55.39

Table 1d. North Arkansas

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

85400

55400

0.4

2.00

0.32

900

Boll/budworms

256900

126000

0.9

3.50

0.98

2730

Fleahoppers

45000

5000

0.0

1.60

0.00

5

Lygus bugs

256900

110000

0.4

1.60

0.42

1191

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

130000

25000

0.1

4.00

0.04

135

Thrips

256900

120000

0.7

1.50

0.46

1300

Armyworms

0

0

0.0

0.00

0.00

0

Minor pests

256900

100000

0.0

1.60

0.00

16

New pests

0

0

0.0

0.00

0.00

0

 

Acreage harvested: 256900 Yield per acre: 1.08 Bales

Percent lost: 2.25 Dollars lost: 1,808,352 Cost per acre:6.70

Table 1e. South Arkansas

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

180000

160000

3.0

4.35

1.50

3500

Boll/budworms

160000

160000

6.0

6.35

3.00

7000

Fleahoppers

180000

0

0.0

**.**

0.00

0

Lygus bugs

180000

60000

0.3

2.50

0.03

87

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

80000

5000

0.0

4.10

0.00

7

Thrips

180000

16000

0.2

3.15

0.02

46

Armyworms

0

0

0.0

0.00

0.00

0

Minor pests

180000

100000

0.9

0.00

0.06

145

New pests

0

0

0.0

0.00

0.00

0

 

Acreage harvested; 160000 Yield per acre: 1.46 Bales

Percent Lost: 4.62 Dollars Lost: 3,106,740 Cost per acre: 52.97

Table 1f. Arizona

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

80000

40000

1.1

9.00

0.05

400

Boll/budworms

200000

80000

0.5

10.00

0.27

2000

Fleahoppers

50000

10000

0.0

9.00

0.00

2

Lygus bugs

240000

180000

1.2

9.00

0.74

5400

Leaf perforator

220000

120000

0.8

9.00

0.12

900

Pink bollworm

270000

260000

1.7

9.00

2.60

18850

Spider mites

180000

100000

0.6

10.00

0.13

1000

Thrips

275000

30000

0.1

7.00

0.02

150

Armyworms

100000

80000

0.5

9.00

0.08

600

Minor pests

100000

80000

0.8

9.00

0.02

200

New pests

0

0

0.0

0.00

0.00

0

 

Acrreage harvested: 290000 Yield per acre: 2.50 Bales

Percnet lost: 4.06 Dollars lost: 8,496,720 Cost per acre: 70.55

Table 1g. California

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

0

0

0.0

0.00

0.00

0

Boll/budworms

0

0

0.0

0.00

0.00

0

Fleahoppers

0

0

0.0

0.00

0.00

0

Lygus bugs

900000

395880

0.4

12.50

2.74

59464

Leaf perforator

10150

0

0.0

**.**

0.00

0

Pink bollworm

20300

18000

0.1

10.00

0.03

772

Spider mites

900000

270000

0.4

13.75

1.06

23175

Thrips

0

0

0.0

0.00

0.00

0

Armyworms

300000

150000

0.1

14.50

0.00

32

Minor pests

120000

37000

0.0

12.50

0.00

0

New pests

1800

0

0.0

**.**

0.00

0

 

Average harvested: 1010000 Yield per acre: 2.15 Bales

Percent lost: 3.85 Dollars Lost:24,031,918 Cost per acre: 15.48

Table 1h. Florida

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

21500

20500

3.8

5.00

5.72

1716

Boll/budworms

21500

21500

9.0

8.75

5.50

1650

Fleahoppers

0

0

0.0

0.00

0.00

0

Lygus bugs

18000

2200

0.1

8.00

0.10

30

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

200

150

0.0

7.50

0.00

0

Thrips

18000

11000

0.5

8.50

1.02

307

Armyworms

10000

8000

1.1

8.50

1.67

502

Minor pests

0

0

0.00

0.00

0.00

0

New pests

75

0

0.00

**.**

0.00

0

Percent Lost: 14.02 Dollars Lost: 1,211,829 Cost per acre: 112.58

Table 1i. Georgia

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

200000

190000

7.0

4.00

9.30

17301

Boll/budworms

200000

200000

7.3

5.75

4.10

7637

Fleahoppers

50000

10000

0.0

3.55

0.01

23

Lygus bugs

50000

20000

0.1

3.29

0.03

72

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

30000

25000

0.1

7.08

0.06

127

Thrips

150000

150000

0.7

4.21

0.07

146

Armyworms

10000

8000

0.0

9.55

0.12

235

Minor pests

120000

30000

0.3

3.25

0.01

29

New pests

50000

30000

0.3

10.19

0.31

587

Acreage harvested: 190000 Yield per acre: 0.98 Bales

Percent Lost: 14.06 Dollars lost: 7,534,476 Cost per acre: 79.80

Table 1j. Louisiana

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

570000

564000

6.9

2.90

5.73

38981

Boll/budworms

570000

530000

5.5

6.10

5.30

3600

Fleahoppers

473000

162137

0.2

2.37

0.11

772

Lygus bugs

436105

162337

0.2

2.37

0.11

773

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

248404

106268

0.1

6.38

0.06

430

Thrips

357321

183000

0.3

2.45

0.17

1221

Armyworms

23175

16600

0.0

10.00

0.00

19

Minor pests

412308

224779

0.3

3.16

0.15

1071

New pests

103640

23200

0.0

5.33

0.01

82

 

Acreage harvested: 570000 Yield per acre: 1.19 Bales

Percent Lost: 11.68 Dollars lost: 22,854,142 Cost per acre: 59.19

Table 1k. Missouri

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

10000

0

0.0

**.**

0.00

0

Boll/budworms

60000

20000

0.3

7.60

0.62

1197

Fleahoppers

20000

0

0.0

**.**

0.00

0

Lygus bugs

80000

21000

0.1

4.00

0.26

503

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

10000

2000

0.0

4.00

0.02

47

Thrips

30000

21000

0.2

4.00

0.26

503

Armyworms

10000

0

0.0

**.**

0.00

0

Minor pests

15000

2000

0.0

7.00

0.01

23

New pests

0

0

0.0

0.00

0.00

0

 

Acreage harvested: 160000 Yield per acre: 1.20 Bales

Percent lost: 1.18 Dollars lost: 655,500 Cost per acre: 4.70

Table 1L. Mississippi Delta

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

370245

325845

2.2

1.56

1.78

15940

Boll/budworms

759645

724391

4.9

5.25

5.33

47776

Fleahoppers

624500

161000

0.2

1.24

0.07

674

Lygus bugs

680645

488391

1.3

2.78

0.74

6695

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

378200

274700

0.9

7.11

0.69

6206

Thrips

742095

707841

1.7

1.37

0.76

6807

Armyworms

461000

34500

0.0

4.85

0.03

337

Minor pests

616600

550100

1.1

3.00

0.97

8690

New pests

83500

41500

0.1

1.29

0.03

317

 

Acreage harvested: 766130 Yield per acre: 1.17 Bales

Percent lost: 10.43 Dollars lost: 26,912,634 Cost per acre:46.01

Table 1m. Mississippi Hill

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

219547

218047

6.1

0.00

0.00

10856

Boll/budworms

213407

192724

3.7

9.80

3.25

7604

Fleahoppers

174058

22780

0.1

8.25

1.19

81

Lygus bugs

187467

96635

0.8

7.30

1.19

1314

Leaf perforator

0

0

0.0

10.00

0.01

0

Pink bollworm

400

600

0.0

9.33

0.64

21

Spider mites

124499

49800

0.3

10.00

0.00

523

Thrips

207708

178177

1.4

8.20

0.98

21101

Armyworms

187512

3910

0.0

12.50

0.04

90

Minor pests

188498

133725

0.9

2.85

99.20

1023

New pests

0

0

0.0

0.00

0.00

0

 

Acreage harvested: 222092 Yield per acre: 1.00 Bales

Percent lost: 10.58 Dollars lost: 6,801,712 Cost per acre:35.49

Table 1n. New Mexico

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

0

0

0.0

0.00

0.00

0

Boll/budworms

67500

27700

0.8

9.80

3.25

2775

Fleahoppers

37500

18750

0.6

8.25

1.19

1015

Lygus bugs

27750

16700

0.5

7.30

1.19

1017

Leaf perforator

1000

700

0.0

10.00

0.01

9

Pink bollworm

21275

8100

0.3

9.33

0.64

548

Spider mites

2500

100

0.0

10.00

0.00

2

Thrips

75000

13500

0.4

8.20

0.98

840

Armyworms

1500

500

0.0

12.50

0.04

40

Minor pests

400000

250000

3.9

2.85

99.20

84635

New pests

0

0

0.0

0.00

0.00

0

 

Acreage harvested: 63000 Yield per acre: 1.35 Bales

Percent lost: **.** Dollars lost: 26,175,357 Cost per acre:36.04

Table 1o. North Carolina

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

0

0

0.0

0.00

0.00

0

Boll/budworms

85000

85000

3.5

7.00

2.52

2125

Fleahoppers

0

0

0.0

0.00

0.00

0

Lygus bugs

85000

0

0.0

**.**

0.00

0

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

4250

0

0.0

**.**

0.00

0

Thrips

85000

21250

0.2

2.50

0.05

42

Armyworms

3400

0

0.0

**.**

0.00

0

Minor pests

0

0

0.0

0.00

0.00

0

New pests

0

0

0.0

0.00

0.00

0

 

Acreage harvested: 84000 Yield per acre: 1.00 Bales

Percent lost: 2.58 Dollars lost: 624,240 Cost per acre:25.42

Table 1p. Oklahoma

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

60000

55000

0.6

3.75

0.77

1604

Boll/budworms

250000

150000

1.8

8.75

1.80

3750

Fleahoppers

250000

100000

0.4

3.75

0.60

1250

Lygus bugs

0

0

0.0

0.00

0.00

0

Leaf perforator

10000

0

0.0

**.**

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

75000

35000

0.2

9.00

0.01

29

Thrips

0

0

0.0

0.00

0.00

0

Armyworms

0

0

0.0

0.00

0.00

0

Minor pests

0

0

0.0

0.00

0.00

0

New pests

0

0

0.0

0.00

0.00

0

 

Acreage harvested: 250000 Yield per acre: 0.83 Bales

Percent lost: 3.18 Dollars lost: 1,910,400 Cost per acre:22.24

Table 1q. South Carolina

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

35000

0

0.0

**.**

0.00

0

Boll/budworms

113000

90000

3.1

6.25

3.18

2392

Fleahoppers

50000

575

0.0

**.**

0.00

1

Lygus bugs

55000

2000

0.0

4.00

0.01

13

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

10000

500

0.0

8.00

0.00

0

Thrips

113000

40000

0.3

2.00

0.35

265

Armyworms

70000

25000

0.6

11.00

0.44

332

Minor pests

50000

15000

0.2

4.50

0.00

0

New pests

20000

2000

0.0

5.50

0.08

66

 

Acreage harvested: 113000 Yield per acre: 0.66 Bales

Percent lost: 4.09 Dollars lost: 884,913 Cost per acre:29.52

Table 1r. Tennessee

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

38234

20621

0.3

5.00

0.52

1890

Boll/budworms

229042

77732

0.4

7.00

1.97

7125

Fleahoppers

1000

0

0.0

**.**

0.00

0

Lygus bugs

200000

75000

0.2

3.00

0.47

1718

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

34488

13531

0.0

4.00

0.00

7

Thrips

300000

100000

0.3

2.50

0.31

1145

Armyworms

200

25

0.0

4.00

0.00

0

Minor pests

38770

3925

0.0

3.00

0.02

89

New pests

0

0

0.0

0.00

0.00

0

 

Acreage harvested: 315000 Yield per acre: 1.15 Bales

Percent lost: 3.31 Dollars lost: 3,449,656 Cost per acre:6.80

Table 1s. Texas - Area 1

Pest

Acres

infested

Acres

Treated

No. insecticide

Applications

Cost per

Application

% yield

reduction

Bales

Lost

Boll weevils

14000

3500

0.0

4.00

0.07

16

Boll/budworms

70000

25000

0.6

10.00

1.71

390

Fleahoppers

70000

3000

0.0

4.00

0.03

7

Lygus bugs

0

0

0.0

0.00

0.00

0

Leaf perforator

0

0

0.0

0.00

0.00

0

Pink bollworm

0

0

0.0

0.00

0.00

0

Spider mites

0

0

0.0

0.00

0.00

0

Thrips

700000

21000

0.2

4.00

0.21

49

Armyworms

0

0

0.0

0.00

0.00

0.

Minor pests