Adelges
Encyclopedia
Adelges is a genus of insects which feed on conifers.
Species include:
Species include:
- Adelges abietis (Pineapple gall adelgidPineapple gall adelgidThe pineapple or pseudocone gall develops as a chemically induced distortion of needles, mostly on Norway Spruce and Sitka Spruce.The aphid-like insect Adelges lays up to one hundred eggs, one on each needle. Adelges abietis is one of the most common species, synonyms are A...
) - Adelges cooleyi (Gall adelgidGall AdelgidGall adelgid refers to adelgid species that produce galls in spruce trees, conifer species. Such galls can be produced by an infection by Adelges cooleyi , a species of aphid-like woolly adelgids ...
) - Adelges piceae (Balsam woolly adelgidBalsam woolly adelgidBalsam woolly adelgids are small wingless insects that infest and kill firs, especially Balsam Fir and Fraser Fir. They are an invasive species from Europe introduced to the United States around 1900....
) - Adelges tsugae (Hemlock woolly adelgidHemlock Woolly AdelgidHemlock woolly adelgid , commonly abbreviated as HWA, is a true bug native to East Asia that feeds by sucking sap from hemlock trees . In eastern North America, it is a destructive pest that poses a major threat to the eastern hemlock and the Carolina hemlock...
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