who has a permit from the United States Department of Agriculture to release the wasps in targeted locations to attack the beetle. The pupae, which are about to become adult wasps, are placed ...

But if left alone, the larvae of this seemingly innocuous beetle called Emerald Ash Borer ... Since first found in the United States in 2002, in Detroit, this Asian invasive species has killed ...

The wasp babies feed on and ultimately kill ... The metallic green beetles entered the United States from northeast Asia in the 1990s, likely hitching a ride on wood-packing materials.

Three other wasps, one the size of a gnat, lays eggs inside ash borer larvae halting development into adult beetles ... could be safety released in the United States to fight the ash borer.

The wasps are stingless and tiny ... and Asian ash has a natural resistance to the beetle. “So how are we going to save the ash in the United States? The same strategy,” Eggen said.

The wasps target the eggs of emerald ash borer beetles, which are also from Asia. The beetles have killed more than 50 million trees in 25 states. The wasps can pierce beetle eggs and lay their ...

The destructive beetle, which is native to the ... Duan theorized that the wasps could do the same in the United States. He collected specimens and brought them back home for further study.