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About: Oligonychus ununguis     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Species, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: ThingEukaryoteAnimalanimalarachnideukaryotespecies New Facet based on Instances of this Class

Oligonychus ununguis, the spruce spider mite, is a globally widespread pest of spruce. Though not particularly important in the forest, it has been bothersome on planted spruce in the Prairie Provinces, and is considered one of the most important pests of spruce plantations in Ontario. As well, ornamental specimens of spruce and most other conifers throughout the range often suffer damage. The pest is barely visible without the aid of a magnifier and is rarely noticed until discoloured foliage is found on an affected tree. To check for the presence of mites, sharply jar suspected foliage over a piece of white paper, and watch for movement of tiny objects. If a red stain appears when the objects are smeared against the paper, the probability is high that spider mites are present.