An Online Catalog of
Western Forest Insects and Diseases

Sucking Insects
Other Critters & Cruds


We're always looking for new links to add to this collection!
Contact our websteward for more information.

Many of the documents included on this list are in PDF format. To view PDF documents, you need a copy of Adobe Acrobat Reader, a FREE program. Once you have downloaded and installed your copy of Acrobat Reader, just click on a PDF file (below) to view it.


Sucking Insects

Sucking Insects (general + other)

Aphids on Shade Trees & Ornamentals (or html) -- Colorado State University
Balsam Twig Aphid -- Natural Resources Canada
Hemlock Woolly Adegid -- USFS Northeastern Area website
Juniper Scale -- Natural Resources Canada
Spruce Spider Mite -- Natural Resources Canada


Balsam Woolly Adelgid (Adelges piceae)

Balsam Woolly Adelgid -- University of British Columbia
Balsam Woolly Adelgid -- Oregon Dept. of Forestry, Forest Health Note
Balsam Woolly Adelgid -- Balsam Woolly Adelgid


Black Pineleaf Scale (Nuculapsis californica)

Black Pineleaf Scale -- Forest Insect and Disease Leaflet No. 91
Black Pineleaf Scale -- Oregon Dept. of Forestry, Forest Health Note


Boxelder Bug (Leptocoris trivittatus and L. rubrolineata)

Boxelder Bugs -- Colorado State University


Cooley Spruce Gall Aphid (Adelges cooleyi)

Cooley Spruce Gall Adelgid -- Oregon Dept. of Forestry, Forest Health Note
Cooley Spruce Galls (or html) -- Colorado State University
Cooley Spruce Gall Adelgid -- University of British Columbia
Cooley spruce gall adelgid -- Natural Resources Canada


Pine Needle Scale (Chionaspis pinifoliae)

Pine Needle Scale -- University of British Columbia


Spruce Aphid (Elatobium abietinum)

Sprucing Up Your IPM Skills -- Todd Murray, WSU
Spruce Aphid -- USDA FS, SW Oregon FHP Service Center
Spruce Aphid -- Oregon Dept. of Forestry, Forest Health Note
Spruce Aphid -- University of British Columbia



Quick links to other pages of our on-line catalog:
  Western Forest Diseases:
[mistletoes] [root diseases] [rots & decays] [foliage diseases] [cankers]
[rusts] [seedling diseases] [general]
Western Forest Insects:
[bark beetles | wood borers] [defoliators] [seed & cone insects]
[shoot, twig, & terminal insects] [sucking insects] [general]

This webpage was last updated on May 31, 2010.

horizontal rule with trees

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