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  • Released Tuesday, December 11, 2012
  • Updated Thursday, December 3, 2015 at 12:35PM
  • ID: 11144

Western spruce budworms feed on needles of coniferous trees as larvae beginning in late spring. In summer, they transform into adult moths.

Western spruce budworms feed on needles of coniferous trees as larvae beginning in late spring. In summer, they transform into adult moths.

From 2003 to 2004, a species of bark beetle called the mountain pine beetle
devastated the forests east of the Three Sisters, Oregon.

From 2003 to 2004, a species of bark beetle called the mountain pine beetle devastated the forests east of the Three Sisters, Oregon.

Mountain pine beetles bore under tree bark to lay their eggs. They introduce a fungus that prevents the tree from defending against the attack.

Mountain pine beetles bore under tree bark to lay their eggs. They introduce a fungus that prevents the tree from defending against the attack.

For More Information

See NASA.gov



Credits

Please give credit for this item to:
NASA's Goddard Space Flight Center
Western spruce budworm image courtesy of USDA Forest Service/Scott Tunnock, Bugwood.org
Mountain pine beetle image courtesy of Forest Health Management International/William M. Ciesla, Bugwood.org



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