Table 1 - ESTIMATED REDUCTION IN 1980 COTTON YIELDS RESULTING FROM INSECT DAMAGE1

STATE
INSECTS Loss in AL AZ AR CA FL GA LA MS MO NM NC OK SC TN TX VA No. Bales Loss %

Loss

(avg.)

Boll Weevil Percent

Bales

4.0

11.0

0.01

0.141

0

0

NA

0

1.5

0.09

6.0

5.04

2.5

11.37

2.0

23.0

0

0

NA

NA

1.0

0.55

0

0

3.9

3.0

0

0

1.56

50.33

0

0

 

104.52

0.96
Bollworm-tobacco budworm Percent

Bales

7.0

19.25

0.2

2.82

1.0

4.50

0.28

8.54

8.0

0.488

10.0

8.4

5.7

25.93

4.0

46.0

3.5

5.77

12.0

13.88

4.0

2.2

10.0

22.0

6.5

5.0

3.0

5.85

4.88

157.43

5.0

0.01

 

328.06

3.07
Cotton fleahopper

Pseudatomoscelis seriatus (Reuter)

Percent

Bales

0

0

0.05

0.70

0

0

0

0

0

0

0

0

0.5

2.27

0.04

0.46

1.0

1.65

1.0

1.16

NA

NA

0.5

1.1

0

0

NA

NA

1.60

51.62

0

0

 

58.96

0.54
Lygus spp. and other

Plant bugs

Percent

Bales

2.0

5.5

2.0

28.3

0

0

2.25

68.63

0.5

0.03

8.0

6.72

0.6

2.73

1.1

12.65

2.0

3.3

3.0

3.47

0

0

0

0

0.5

0.38

2.0

3.9

0.13

4.19

0

0

 

139.80

1.28
Cotton Leafperforator Percent

Bales

0

0

1.0

14.13

0

0

0

0

NA

NA

NA

NA

0

0

NA

NA

0

0

NA

NA

NA

NA

0

0

NA

NA

NA

NA

0

0

0

0

 

14.13

0.13
Pink bollworm Percent

Bales

0

0

2.0

28.3

0

0

0.25

7.62

NA

NA

NA

NA

0

0

NA

NA

NA

NA

0

0

NA

NA

0

0

NA

NA

NA

NA

0

0

0

0

 

35.92

0.33
Spider Mite

Tetranychus spp.

Percent

Bales

0.5

1.37

0.1

1.41

0.5

2.25

3.6

109.8

0.5

0.03

3.0

2.52

0.9

4.09

1.6

18.4

1.0

1.65

0

0

1.0

0.55

0.5

1.1

0.5

0.38

0.2

0.39

0.18

5.80

1.0

0.002

 

149.74

1.37
Thrips

Frankliniella spp.

Percent

Bales

1.0

2.75

0

0

0

0

0

0

0

0

1.0

0.84

0.2

0.91

0.5

5.75

5.0

8.25

1.0

1.16

0.05

0.02

0.5

1.1

1.0

0.77

0

0

0.69

22.26

1.0

0.002

 

43.81

0.40
Others : Percent

Bales

2,31.75

4.81

3,40.15

2.11

0

0

0

0

23.0

0.18

2,3,50.99

0.83

0

0

2,3,60.18

2.07

22.0

3.3

33.0

3.47

2,53.0

1.65

3,73.0

6.6

21.0

0.77

8,9,100.3

0.59

3,8,91.63

52.58

0

0

 

78.96

0.72
Avg. cost of control per acre (in $'s)11

Total Percent Loss - - - - - - - - - - - -

Total Bales Loss- - - - - - - - - - - - - - -

Yield in Bales12 - - - - - - - - - - - - - - -

33.00

16.25

44.68

275

30.00

5.51

77.4

1413

15.00

1.5

6.75

450

15.60

6.38

194.59

3050

100.00

13.5

0.823

6.1

60.00

28.99

24.35

84

43.21

10.4

47.3

455

36.00

9.42

108.33

1150

14.00

14.5

23.92

165

25.00

20.00

23.14

115.7

48.00

9.05

4.97

55

37.50

14.5

31.9

220

55.00

13.4

10.31

77

10.00

5.5

10.73

195

8.05

10.67

344.21

3226

50.00

7.00

0.014

0

---------

---------

953.91

----------

8.73

1All bale figures in table * 1,000. Esstimated by research, extension, and others based on Statistical Reporting Service December Report.

NA= not applicable

2Fall armyworm (Spodoptera frugiperda (J.E. Smith)). 3Beet armyworm (Spodoptera exigua (Hubner)). 4Stink bugs (Euschistus sp.). 5European corn borer (Ostrina nubilalis (Hubner)). 6Yellowstriped armyworm (Spodoptera ornithogalli (Guenee)). 7Grasshoppers (Schistocerca americana (Drury)): (Melanoplus spp.). 8Cotton aphid (Aphis gossypii (Glover)). 9Cutworms (Agrotis spp.): (Feltia subterranea (F.)). 10Whitefly (Trialeurodes abutilonea (Haldeman). 11Aveerage control cost for all States--$36.27. 12Total yield for all States--10,937.0