'We would see resistance increase four or six-fold in just one generation,' the lead researcher said. 'We didn't have a clue that something like that could happen this fast.'
."Cockroaches developing resistance to multiple classes of insecticides at once will make controlling these pests almost impossible with chemicals alone."describes the type of bug being tested
View of a giant cockroach during an exibition at the Explora Park in Medellin, Antioquia department, Colombia on February 5, 2013. New research suggests some roaches are becoming increasingly resistant to bug spray.German cockroach strains were collected from apartments in housing sites from Indianapolis and Danville. The formulated chemicals were purchased from Univar Solutions, the research paper said.
According to Scharf, not only would roaches that survived a treatment be"essentially immune" to that type of insecticide class in the future—their offspring would be too. Crucially, they also gained resistance to other classes"even if they hadn't been exposed to them and had not had previous resistance.."We didn't have a clue that something like that could happen this fast.
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