Climate Change for the Invasion
Overall, the earth is getting warmer each year if climate change is real. If that’s the case, humanity could have another stink bug invasion, but this one is major. Research has predicted that the bugs may be in Switzerland during the 2010s, according to the International Biometeorology Journal.
Hitching a Ride
The research ended up being correct. That journal claimed that there was a high stink bug population and tons of crop damage in Switzerland, starting in 2017. This also made the temperatures increase in the area.