Who's to blame? Who brought them to the US?
If these lasers are used to prevent these species from damaging the ecosystems, then OK. But AFAIK, it was never the intention to discriminate between invasive and non invasive species.
If these lasers are used to prevent these species from damaging the ecosystems, then OK. But AFAIK, it was never the intention to discriminate between invasive and non invasive species.