ASK MR. PEST CONTROL  >  PESTICIDE ISSUES  >  WHAT MAKES IT RESIDUAL?

What Makes It Residual?

Tuesday October 9, 2012

Back

Mr Pest Control

Question:

Please explain to me how some of today's "residual insecticides" actually have a residual effect on bed bugs? I certainly have my doubts that there are residual properties of insecticides outside of DE or insecticide dusts that penetrate the exoskeletons of these bugs.

Mr Pest Control

Answer:

Don't you just love terminology, particularly when there may not be any clearly defined rules regarding certain terms? Within pest management and the use of insecticides we may loosely divide products into those that have no residual and are expected only to kill or affect the pest "on contact", and then to rapidly disintegrate so that they no longer are available. The top prize here probably goes to pyrethrum, which we know breaks down rapidly when exposed to UV light, heat, etc. Or, we place insecticides into the group we call "residual" products, meaning they stick around for some highly variable length of time, and this length of useful residual varies wildly depending on what they are and where they are applied. The old chlordane applied to the cool, dark, dry soil under a slab might remain there at a level high enough... Read more

Register now for Premier Services to get instant access to all of Mr. Pest Control's in-depth answers!

Read Complete Answer Register Now Ask a Question Add to My Favorite Questions Back  |  View Past Questions  |  View Questions by Category  |  Share on Facebook  |  Share on Twitter

Please note, Mr. Pest Control is answering questions supplied by PMP customers across North America. His answers are generated from industry and manufacturer-provided information. The answer may not be specific to the laws and regulations for your State, Province, Territory or Country. In addition, products mentioned may not be registered and or available in all areas. Always check with your local Univar office for specific information to your area. Always read and follow label directions.

Sponsor Ad