In Beetles of Wisconsin/ Current Posts/ Garden Pests/ Insects/ Wildlife

Stink Bug

Olive green and black beetle that gives off an odor

Stink Bug

There are many varieties of the stink bug. Most are olive green and black, although some are brightly colored and all are shield-shaped insects.

What They Look Like

Green Stink Bug Nymph
Green Stink Bug Nymph

1.) The bugs are about three-fourths of an inch in length.

2.) Stink bugs come in a variety of colors. 

3.) The shape of the bug is always the same.  The body shape of stink bugs are all  shield shaped.


Names It Is Known By

1.) Shield bugs 
2.) Chust bugs
3.) Stink bugs


How They Get Their Name

The stink bug gets their name because if crushed or disturbed they give off a strong scent. That odor is a chemical defense that they produce in glands on their abdomen to protect them from birds.


Damage Stink Bugs Do To Plants

Olive green and black beetle that gives off an odor

The bugs suck the sap from the underside of the leaves, causing them to wilt and die.

They feed successfully on numerous fruit, vegetable, and field crops including apples, apricots, Asian pears, cherries, corn (field and sweet), grapes, lima beans, nectarines and peaches, peppers, tomatoes, and soybeans.

Physical damage to fruit includes pitting and scarring, sometimes leading to a mealy texture


How Do You Get Rid Of Stink Bugs

Normally, gardeners do not have to worry about stink bugs, because they are in our yards in small numbers. But, if you are having issues then you can try some of these ideas.

1.) Clean up all debris around your home and garden. The bugs use debris as protection. Remove leaf litter and planting past their prime.

2.) Use organic methods like Neem oil and insecticidal soaps. Try using Neem oil first because it will not harm the beneficial insects like ladybugs and the praying mantis that are natural predators of many garden insects.

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