Prof. Michael E. Scharf said he and his team could watch the roaches develop resistances 'in real time.' *Faints*
Jordan CulverAs if cockroaches weren't already hard enough to get rid of, a new study from Purdue University suggests the German cockroach – the most common in the world – is quickly evolving to resist insecticides.
Using the first method, they rotated three insecticides. In the second, they mixed two together. In the third, they pre-determined which insecticide a population wouldn’t have a resistance to, then used that particular insecticide over the course of six months. “It turns out, nothing worked really well, except one case where we could pre-monitor. The issue became – and this is where the whole headline comes from of roaches being invincible – we were surprised when we found they were cross-resistant to all these different insecticide classes.
“We’re finding that they can adapt so quickly,” he said. “Pest managers have to be thinking about how to stay ahead of them. So, they’re constantly going to be evolving every time you treat them with insecticides. You’re left with survivors, no matter what.”
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