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Species Adelges abietis - Eastern Spruce Gall Adelgid

galls on spruce - Adelges abietis Eastern Spruce Gall Adelgid - Adelges abietis spruce gall  - Adelges abietis Life cycle - Adelges abietis Life cycle - Adelges abietis Life cycle - Adelges abietis - female Life cycle - Adelges abietis - female Spruce Gall Adelgid - Adelges abietis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Sternorrhyncha (Plant-parasitic Hemipterans)
Superfamily Phylloxeroidea
Family Adelgidae
Genus Adelges
Species abietis (Eastern Spruce Gall Adelgid)
Other Common Names
Pineapple gall adelgid
Explanation of Names
Adelges (Sacchiphantes) abietis (Linnaeus)
Identification
Galls are small, short, pineapple-shaped growths found at the bases of twigs of Norway spruce
Life Cycle
Click thumbnail to view life cycle:
Remarks
Introduced from Europe before 1900(1)
Internet References
PA Dept.Agriculture. Eastern Spruce Gall Adelgid, Adelges abietis (Linnaeus)
Works Cited
1.Insects That Feed on Trees and Shrubs
Warren T. Johnson, Howard H. Lyon. 1991. Cornell University Press.