
Tiny reddish-brown parasites called Cimex lectularius , usually known as bedbugs, feed on blood of animals and humans. In 40's and 50's, pesticides were used frequently that caused the eradication of these bugs from America. But later invention of more focused pesticides (to kill only one type of insects) proved to be ineffective for bedbugs. Moreover the emigrants from other continents became the reason of revival of these parasites. Americans travelling abroad to such bedbugs inhabited areas brought these back to US.
Read more on Bedbugs: Night predators...
Tiny reddish-brown parasites called Cimex lectularius , usually known as bedbugs, feed on blood of animals and humans. In 40's and 50's, pesticides were used frequently that caused the eradication of these bugs from America. But later invention of more focused pesticides (to kill only one type of insects) proved to be ineffective for bedbugs. Moreover the emigrants from other continents became the reason of revival of these parasites. Americans travelling abroad to such bedbugs inhabited areas brought these back to US.
Read more on Bedbugs: Night predators...