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Harlequin Bug - Garden Insect Library - Saferbrand

Harlequin Bugs

Harlequins are found throughout the continental United States and reach southward through Mexico to its native countries in Cental America. It can be found in agricultural fields as well as home gardens.

 

In both the adult and nymph stages, these insects drain the juices from leaves and stalks with its sharp needle-shaped mouth.

 

 

 

 

Natural & Organic Controls

What?

The combination of Insecticidal Soap and Botanical Pyrethrins will kill harlequin bugs on contact if they are spotted on your plants.

 

How?

Insecticidal Soap (Potassium Salts of Fatty Acids) & Pyrethrin - combined are the organic equivalent of a 1-2 knock down punch.  The soap will penetrate the insect's shell enough to weaken and dehydrate the insect and allow the pyrethrin to absorb into the insect and do its job.

 

Pyrethrin is a powerful nerve agent and will paralyze and kill the insect on contact. Keep in mind this soap is not like dish detergent, it's a base from a blend of natural plant sources and pyrethrin oils and comes from the chrysanthemum flower.  An effective and organic combination...

 

When?

Insecticidal Soap and Botanical Pyrethrins will kill harlequin bugsUse Insect Soap & Pyrethrin as a contact killer.  Use in accordance with directions on the product label.

 

Safer® Brand offers a variety of harlequin bug control products to help control and eliminate this garden pest and revive your plants. Please check out our harlequin bug control products for more details about how they work and how, when, and where they should be applied.

 

If you are concerned about a plant or unsure of how it will react to these solutions, test an inconspicuous area and wait 24 hours before applying full coverage. As a general rule, much like watering, do not use any liquid insecticides in the peak of the day or when temperatures exceed 90°F.

 

Why Choose a Natural Solution?

Natural solutions break down quickly to their natural elements. They are preferable to chemical pesticides that leave residuals where they are sprayed causing long-term detrimental affects on the environment.

 

 

 

 

Natural Predators

What?

Parasitic wasps and parasitic flies may be able to help control harlequin bug infestations.

 

Parasitic wasps may be able to help control harlequin bug infestations

How?

Parasitic wasps and flies attack the eggs, nymphs and adults, paralyzing the harlequin bugs and laying their eggs inside of them. When the eggs hatch, the offspring will feed on the harlequin bug eggs, larvae or adults.  Attract them by growing flowering plants, especially those that produce nectar or pollen.

 

When?

Parasitic wasps can be attracted through the flowering plants or purchased through commercial growers. Purchases should be done as soon as possible once harlequin bugs have been spotted.

 

Most local greenhouses and garden centers can help you determine the right planting time for nectar and pollen producing plants to ensure that the pollen and nectar will be available when the wasps arrive.

 

 

 

 

Environmental Controls

What?

Remove or till under any plant debris left over from the harvest to get rid of harlequin bugs.  Removal of bordering weeds and vegetation is also an important step in controlling a harlequin bug infestation.

 

Planting resistant varieties of crops is another method of helping to control problems caused by harlequin bugs.

 

How?

Remove plant debris to prevent harlequin bugs overwintering

Remove and discard plant debris. This will help prevent the adult harlequins from finding a place to overwinter. Overwintering adults can also be eliminated by tilling under any plant debris after the harvest.

 

Remove any weeds or vegetation along the perimeters of the field or garden, where the harlequin bugs may hide for the winter.

 

Resistant varieties of crops or plants can be purchased at your local garden center, from garden catalogs, or on the Internet.

 

When?

Remove or till under any plant debris left over after harvesting. Remove any weeds or vegetation along the perimeters of the field or garden throughout the growing season and after the harvest.

 

Plant the resistant varieties according to the temperature and your climate zone. The professional staff at your local garden center can advise you on when to plant.

 

 

 

 

Images courtesy of Oklahoma State University and Forestry Images.
For a complete list of content sources please visit our site bibliography page

 

 

Safer®Brand brings you a variety of effective insect control products that are gentler on the environment! Most of them proudly display the OMRI Listed® organic seal and comply for use in organic gardening!

 

organic gardening products with the OMRI listed seal

 

 

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