It is a synthetic compound which means it is artificially manufactured to imitate the functioning of naturally occurring compounds.
Permethrin bed bugs resistance.
Gradually throughout the united states small pockets of bed bugs have built up a resistance to pyrethroid insecticides that are commonly used to eliminate bed bugs due to their low cost and fast acting nature.
There is growing evidence that bed bugs are becoming immune to it.
For the most part you should assume it is pointless to use permethrin against bed bugs.
What is a pyrethroid resistant bed bug.
Pyrethrum not to be confused with pyrethroid is an insecticide derived from dried flower heads specifically chrysanthemum cinerariifolium.
Using it in combination with other pesticides improves its effectiveness but only to a point.
Despite being one of the most effective bed bug pesticides permethrin isn t perfect.
The second is through developing physical resistance.
In fact the number of reported bed bug incidents has grown by 500 in the last decade alone.
Bed bugs are growing in numbers.
Permethrin bed bugs resistance.
By definition permethrin is a chemical compound of the pyrethroid family commonly used in the extermination of household pests and parasites including bed bugs mites and lice.
The first is through learning to avoid it.
This phenomenon can be the result of many factors one of which being their growing resistance to pesticides like permethrin.
Relying on chemicals no longer does the trick experts say.
There are two ways that this occurs.