Western North American Defoliator Working Group

Pine butterfly larvaeThe purpose of the Western North American Defoliator Working Group (WNADWG) is to provide a means to address issues associated with western defoliator biology, ecology, and management. The WNADWG usually meets annually and is composed of professional forest entomologists, research scientists, and other forest health or resource management specialists.  Federal, state, and provincial governments are represented as well as universities and private interests. 

 Specificially, the WNADWG provides a forum to:

  • Discuss current defoliatior conditions in Western North America
  • Identify and discuss issues and concerns related to western defoliator biology, ecology, and management
  • Address short- and long-term monitoring, research, and technology development needs for western forest defoliators
  • Communicate issues, concerns, recommendations, priorities, and needs to appropriate entities

Darren Blackford, USDA-FS Forest Health Protection, R4 will be the organizer for the 2015 meeting.  Robbie Flowers, USDA-FS Forest Health Protection, R6 maintains this website and the current WNADWG  email list.  Please advise as to updates, corrections or additions. 

 

Western tent caterpillar larvae

 

2015 Meeting to be held in Ogden, UT

The 2015 WNADWG Meeting will be held in Ogden, UT on October 20th, concurrent with the annual Bark Beetle Technical Working Group meeting. View the 2014 meeting agenda or previous meeting reports and notes below.

 

Meeting Reports and Notes

Note:  Some files are large and may take additional time to download.

  • 2014  WNADWG Meeting Notes, Ft. Collins, CO
  • 2013  WNADWG Meeting Notes, Hood River, OR
  • 2013  Western Forest Insect Work Conf. Session on WNADWG Notes
  • 2010  WNADWG Meeting Notes, Coeur d'Alene, ID
  • 2009  WNADWG Meeting Notes, Portland, OR
  • 2008  WNADWG Meeting Notes, Bozeman, MT
  • 2007  WNADWG Meeting Notes, Salt Lake City, UT
  • 2006  WNADWG Meeting Notes, Albuquerque, NM
  • 2005  WNADWG Meeting Notes, Coeur d'Alene, ID
  • 2004  WNADWG Meeting Notes, Portland, OR
  • 2002  WNADWG Meeting Notes, Arlington, WA
  • 2001  WNADWG Meeting Notes, Moscow, ID
  • 2000  WNADWG Meeting Notes, Portland, OR
  • 1998  Douglas-fir Tussock Moth Meeting Notes
  • 1995  Douglas-fir Tussock Moth Meeting Notes
  • 1994  National Steering Committee for Western Defoliators, 7th Report
  • 1993   National Steering Committee for Western Defoliators, 6th Report
  • 1992  National Steering Committee for Western Defoliators, 5th Report
  • 1991  National Steering Committee for Western Defoliators, 4th Report
  • 1990  National Steering Committee for Western Defoliators, 3rd Report
  • 1989  National Steering Committee for Western Defoliators, 2nd Report
  • 1988  National Steering Committee for Western Defoliators, 1st Report

Additional Reports