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Worst Garden Pests by Region

Our nationwide reader survey identifies the biggest insect offenders region by region. 

By Barbara Pleasant 

A high score (scale is 0 to 100) indicates the insect was reported to always or often pose problems, while a lower score indicates rare problems with that pest. Pests are listed from most to least troublesome, and highlighted squares indicate the worst two pests for the region. Read more about the most troublesome pests in Organic Pest Control: What Works, What Doesn’t.

 

Central/Midwest 

Gulf Coast 

Canada/New England 

Mid-Atlantic 

North Central/ Rockies 

Pacific Northwest 

Southern Interior 

Southwest 

Slug

52

58

65

63

52

80

50

45

Squash bug

58

54

51

54

40

25

64

46

Aphid

46

61

47

49

58

66

59

60

Cabbageworm 

49

39

57

50

53

37

50

29

Squash vine borer 

58

63

47

52

27

19

61

28

Japanese beetle 

57

31

57

62

24

21

52

22

Tomato hornworm

50

67

44

43

33

22

58

52

Cutworm

43

55

48

41

50

40

53

41

Grasshopper

50

56

39

42

65

35

58

51

Cucumber beetle

49

42

51

49

29

20

46

30

Corn earworm

43

42

40

42

42

19

47

33

Whietfly

36

57

34

36

39

40

46

49

Snail

34

57

43

44

32

60

45

48

Flea beetle

35

25

24

36

26

22

37

23

Colorado potato beetle

37

19

44

36

42

15

34

23

Leafhopper

33

38

31

28

28

23

41

33

Mexican bean beetle

22

19

24

25

15

9

29

13

Cabbage root maggot

22

19

27

21

27

24

22

14

Harlequin bug

18

22

15

22

19

12

27

16

Armyworm

21

28

11

16

18

7

24

11

Blister beetle

19

18

13

12

16

7

21

13

Onion root maggot

19

19

16

19

17

12

15

10

Carrot rust fly

16

15

17

17

16

20

12

10

Asparagus beetle

20

12

20

16

14

8

15

11


Contributing editor Barbara Pleasant gardens in southwest Virginia, where she grows vegetables, herbs, fruits, flowers and a few lucky chickens. Contact Barbara by visiting her website or finding her on .





Post a comment below.

 

vicky.myers.353
7/27/2013 4:09:25 PM

Our worst bugs didn't make your list, strawberry root weevils are eating everything in sight. Earwigs also, for earwigs and some other bugs traps made from margerine ect tubs with holes made with a hole punch around the top, pour in soy sauce and vegetable oil, put lid on, plant into the ground up to the holes. If you have dogs they may eat the traps so may not get to have them. I can't squish enough root weevils or earwigs to keep up. Killed over 200 root weevils in just a small area ( maybe 20 feet) one night.


Anisha
7/3/2011 10:14:17 PM
I have a terrible slug problem but if I spray coffee on the leaves, they won't eat them. Only use it on plants that can handle the acidity, though.

Lee Fornelius
7/3/2011 5:16:23 PM
I have found that guineas are the best for garden poultry. I didn't think they got enough credit in the survey. They are ground feeders so they don't damage the plants. On occasion if an insect is so bold as to show itself on a plant while near a guinea, the guinea is typically very fast but delicate at removing the little morsel. They seem to be a natural at 'getting the bugs out' while not doing any damage. Unlike chickens which scratch their way thru a garden but do not care if they ruin a plant if there is a bug around to snack on. Another plus for them is they eat ticks. That has to make them worth having around..On the subject of grasshoppers, 'planetnatural.com' has a product that is OMRI certified and has worked wonders for me. 'Semaspore' is a bacteria that only effects grasshoppers and black field crickets. It is harmless to people, pets and livestock Since grasshoppers are cannibalistic and eat each other they pass the bacteria among themselves. Grasshoppers were a major problem my first year in Arkansas. Since using semaspore I have not even seen a grasshopper for over 4 years now. It is easily spread with a hand held broadcaster and 1 lb. will cover an acre.I hope that helps other gardeners out there...





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