Wasps may be battling ash-killing beetles
Wednesday, September 16, 2015 - 07:10
in Paleontology & Archaeology
Five years ago, a Michigan Technological University entomologist set loose a swarm of tiny wasps in the woods around Calumet, Mich. His aim: to combat the invasion of a shiny, green beetle deadly to America's ash trees. Now there's evidence that the wasps are settling in and doing their job.