- Associated Press - Tuesday, September 30, 2014

BOULDER, Colo. (AP) - The Colorado Department of Agriculture and others plan to use hundreds of stingless wasps in Boulder to prey on a destructive beetle called the emerald ash borer.

The Daily Camera reports (https://bit.ly/10hj0yw ) an interagency team will place pieces of wood containing the pupae of about 2,000 Tetrastichus planipennisi wasps in trees Tuesday. The females are expected to lay their eggs in the ash borers’ larvae. The wasps’ larvae, in turn, will kill and feed off the ash borers’ larvae.

John Kaltenbach with the agriculture department says the parasitic wasp was chosen over two other species because it can tolerate cold winters. The beetles were found in Boulder last September and have killed more than 50 million ash trees in more than 20 U.S. states since 2002.


Information from: Daily Camera, https://www.dailycamera.com/

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