pyrethroids

Since the pesticide DDT was banned starting about 40 years ago, people usually have treated bedbug infestations with pesticides based on a family of compounds called pyrethroids, usually deltamethrin or lambda-cyhalothrin, synthetic versions of chemicals found in chrysanthemum blossoms.

Why Bedbugs Won't Die Robert Lee Hotz 2011

Bedbug populations are increasing, and becoming increasingly resistant to pesticides, namely products containing chemicals called pyrethroids, the CDC said.

FOXNews.com 2011

Another class of pesticides, called pyrethroids, has largely replaced DDT -- but bed bugs also have shown resistance to these compounds.

Penn State Live 2010

Another class of pesticides, called pyrethroids, has largely replaced DDT -- but bed bugs also have shown resistance to these compounds.

Penn State Live 2010

Another class of pesticides, called pyrethroids, has largely replaced DDT -- but bed bugs also have shown resistance to these compounds.

Penn State Live 2010

Another class of pesticides, called pyrethroids, has largely replaced DDT -- but bed bugs also have shown resistance to these compounds.

Penn State Live 2010

Another class of pesticides, called pyrethroids, has largely replaced DDT -- but bed bugs also have shown resistance to these compounds.

Penn State Live 2010

Another class of pesticides, called pyrethroids, has largely replaced DDT -- but bed bugs also have shown resistance to these compounds.

Penn State Live 2010

Another class of pesticides, called pyrethroids, has largely replaced DDT -- but bed bugs also have shown resistance to these compounds.

Penn State Live 2010

Another class of pesticides, called pyrethroids, has largely replaced DDT -- but bed bugs also have shown resistance to these compounds.

Penn State Live 2010