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Invasive.org - Center for Invasive Species and Ecosystem Health


oystershell scale NAPIS: IRAKBHA
Lepidosaphes ulmi (Linnaeus)
Taxonomic Rank: Hexapoda (including Insecta): Hemiptera: Diaspididae

Identification, Biology, Control and Management Resources


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Life Cycle ; the "armor" may be lifted to expose a thiny legless adult female or a batch of eggs
E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, Bugwood.org
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Infestation;
USDA Forest Service - Rocky Mountain Region Archive, USDA Forest Service, Bugwood.org
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Infestation;
USDA Forest Service - Rocky Mountain Region Archive, USDA Forest Service, Bugwood.org
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Infestation;
William M. Ciesla, Forest Health Management International, Bugwood.org
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Infestation; infestations are usually confined to small portions of trees
E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, Bugwood.org
Additional Resolutions & Image Usage

Taxonomic References:

  • Bosik, J. J. Common Names of Insects and Related Organisms 1997. Lanham, MD: Entomological Society of America (ESA), 1997. 232 pp.
  • R.W. Poole and P. Gentili, Nomina Insecta Nearctica. 1996. Nomina insecta nearctica: a checklist of the insects of North America. Vol. 4. Rockville (MD): Entomological Information Services. Available at URL: http://www.nearctica.com/nomina/main.htm

Invasive Listing Sources:



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