Tag Archives: spruce spider mite

Insect Hotline Issue 4

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Spruce spider mite adult and egg. Photo provided by USDA Forest Service – Northeastern Area Archive, USDA Forest Service, Bugwood.org.

Close-up of spruce spider mite damage. Photo by Brian Kunkel, University of Delaware.

Heavy spruce spider mite infestation. Photo provided by USDA Forest Service – Northeastern Area Archive, USDA Forest Service, Bugwood.org.

Spruce spider mite damage. Photo provided by USDA Forest Service – Northeastern Area Archive, USDA Forest Service, Bugwood.org.

Southern red mite: eggs, nymphs, and adults. Photo provided by Jim Baker, North Carolina State University, Bugwood.org.

Damage by Southern red mite. Note the grayish leaves. Photo provided by Frank A. Hale, University of Tennessee, Bugwood.org.

What’s Hot HL 3

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Spruce spider mite eggs (peak egg hatch 172 GDD). Photo by USDA Forest Service Archive, USDA Forest Service, Bugwood.org.

Damage caused by spruce spider mite feeding (shows up during summer). Photo by USDA Forest Service – Northeastern Area Archive, USDA Forest Service, Bugwood.org.


Garlic mustard early. Photo by Nancy Fraley, USDI National Park Service, Bugwood.org.


A flowering garlic mustard plant. Photo by Dan Tenaglia, Missouriplants.com, Bugwood.org.


Forest understory invasion by garlic mustard. Photo by Leslie J. Mehrhoff, University of Connecticut, Bugwood.org.

What’s Hot HL 26

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Brown marmorated stink bug adults and nymph.
Photo by Gary Bernon, USDA APHIS, Bugwood.org

Western conifer seed bug.
Photo by Whitney Cranshaw, Colorado State University, Bugwood.org

Southern red mite.
Photo by John A. Weidhass, Virginia Polytechnic Institute and State University, Bugwood.org

Spruce spider mite with webbing.

Photo from USDA Forest Service – Region 4 Archive, USDA Forest Service, Bugwood.org

Insect Hotline Issue 25

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SPRUCE SPIDER MITES. Spruce spider mites are “cool season”

mites commonly found feeding on fir, arborvitae, spruce,

Douglas-fir, and other conifers. Their sucking mouthparts cause

bleaching, yellowing, stippling or bronzing of the needles.

Spruce Spider Mite Pictures from USDA Forest Service – Region 4 Archive, USDA Forest Service, Bugwood.org