It can also be used with other insecticides because of its low cross-reactivity to other chemicals. (mypetneedsthat.com)
Because it is not an insecticide, it does not add to the toxicity of other insecticides. (italiangreyhound.org)
Again, the widespread use of DDT and other insecticides affects the «balance of nature» in ways that make it necessary for us to be aware in advance of the consequences of their use. (religion-online.org)