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Where is the German cockroach (Blattella germanica) actually from?
It’s likely the urban pest first emerged from its native lands about 1,200 years ago. As global trade accelerated, the hitchhikers made their way more rapidly around the world
We used DNA sequencing to study the German cockroach ( Blattella germanica) and trace its origins back to east India and Bangladesh. Using our samples from 17 countries across six continents, we were able to work out how the German cockroach spread from their native lands and around the world. Then improvements in housing, such as plumbing and indoor heating, created conditions conducive to surviving and thriving in buildings all around the world.
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