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Genus Aonidiella

California red scale? - Aonidiella California red scale? - Aonidiella California red scale? - Aonidiella Scale insects on Citrus x limon - Aonidiella aurantii
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 Aonidiella
Explanation of Names
Authors: Berlese and Leonardi 1896
Numbers
Nomina Insecta Nearctica lists 5 species in North America north of Mexico:
Aonidiella aurantii Maskell 1879 (California Red Scale)
Aonidiella citrina Coquillett 1891 (Yellow Scale)
Aonidiella inornata McKenzie 1938
Aonidiella orientalis Newstead 1894
Aonidiella taxus Leonardi 1905
Remarks
Aonidiella aurantii (Maskell) (and related species) is an introduced pest mainly of citrus. Probably from South China
The parasitic wasps Aphytis spp. have bee introduced to combat this pest