Best Management Practices for Christmas Tree Export

Identify and Manage Pests

Arion rufus. (Photo courtesy of Oregon Department of Agriculture.)
This week:
  • Adults and juveniles are active.

  • Apply slug bait.

  • Look for active egg laying.

  • Scout weedy areas.

Learn more about Slugs
Más información sobre Slugs

(Photo courtesy of Oregon Department of Agriculture.)
This week:
  • Keep visibly infested trees from international shipments.

  • Larvae drop to soil.

  • Look for symptoms: swollen and yellow needles present.

  • Place emergence traps.

Learn more about Douglas-fir Needle Midges
Más información sobre Douglas-fir Needle Midges

Vespula alascensis (vulgaris) worker. (Photo courtesy of Oregon Department of Agriculture.)
This week:
  • Look for queens.

  • Shake harvested trees.

Learn more about Yellowjackets
Más información sobre Yellowjackets

Photo of root weevil
This week:
  • Look for adults

  • Look for larvae.

  • Look for symptoms: notched needles present.

Learn more about Root Weevils
Más información sobre Root Weevils

Cylindrocopturus furnissi. (Photo courtesy of Oregon Department of Agriculture.)
This week:
  • Look for adults.

  • Look for larvae.

  • Look for symptoms: dead branches present.

Learn more about Douglas-fir Twig Weevils
Más información sobre Douglas-fir Twig Weevils