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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera) » Plant-parasitic Hemipterans (Sternorrhyncha) » Scales and Mealybugs (Coccoidea) » Armored Scale Insects (Diaspididae) » Fiorinia » Elongate Hemlock Scale (Fiorinia externa)

Species Fiorinia externa - Elongate Hemlock Scale

Elongate Hemlock Scale - Fiorinia externa elongate hemlock scale - Fiorinia externa - male - female Fiorinia externa
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 Coccoidea (Scales and Mealybugs)
Family Diaspididae (Armored Scale Insects)
Genus Fiorinia
Species externa (Elongate Hemlock Scale)
Explanation of Names
Fiorinia externa Ferris 1942
Range
Believed to have been introduced from Japan (earliest record: NY 1908), now occurs from MA to VA & OH
Food
Hemlocks (Tsuga) and other conifers
Remarks
F. externa will displace Nuculaspis tsugue from the nitrogen-rich terminal needles of hemlock trees, relegating it to feeding on mature needles where it incurs reduced fecundity and heavy mortality(1)
Works Cited
1.Insect Ecology: Behavior, Populations and Communities
P. W. Price, R. F. Denno, M. D. Eubanks. 2011. Cambridge University Press.
Contributed by Charley Eiseman on 25 February, 2011 - 5:19pm
Additional contributions by v belov, Marci Hess
Last updated 26 March, 2024 - 8:06am

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