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Aonidiella is a genus of scale insects in the family Diaspididae, the armored scale insects. Several species are pests of citrus.

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Aspidiotina is a subtribe of armored scale insects.

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Aspidiotinae is a large subfamily of armored scale insects, with 193 genera.

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Aspidiotini is a tribe of armored scale insects.

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Aspidiotus is a genus of armoured scale insects. It includes several agricultural and horticultural pests.

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Aspidiotus nerii is a species of armored scale insect with the common names Oleander scale and ivy scale.

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Aulacaspis, is a scale insect genus in the family Diaspididae. The type species is Aulacaspis rosae.

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Chionaspidina is a subtribe of armored scale insects established by Borchenius. But unlike many of the subtribes recognized by Borchenius, this one was found to be morphologically valid by Takagi. Similarly, in molecular analysis, Andersen et al. found a clade roughly corresponding to the subtribe Chionaspidina.

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Diaspididae is the largest family of scale insects with over 2650 described species in around 400 genera. As with all scale insects, the female produces a waxy protective scale beneath which it feeds on its host plant. Diaspidid scales are far more substantial than those of most other families, incorporating the exuviae from the first two nymphal instars and sometimes faecal matter and fragments of the host plant. These can be complex and extremely waterproof structures rather resembling a suit of armor. For this reason these insects are commonly referred to as armored scale insects. As it is so robust and firmly attached to the host plant, the scale often persists long after the insect has died.

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Diaspidinae is the largest subfamily of armored scale insects, with 252 genera.

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Diaspidini is a tribe of armored scale insects.

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Fioriniina is a subtribe of armored scale insects.

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Lepidosaphes is a genus of scales and mealybugs in the family Diaspididae. There are at least 150 described species in Lepidosaphes.

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Lepidosaphidina is a subtribe of armored scale insects.

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Lepidosaphidini is a tribe of armored scale insects.

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Parlatoria is a genus of scales and mealybugs in the family Diaspididae. There are at least 60 described species in Parlatoria.

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Parlatoriini is a tribe of armored scale insects. Takagi (2002) indicated that the Parlatoriini appear to be phylogenetically related to the Smilacicola and the Odonaspidini. Takagi went on to say about the tropical east Asian Parlatoriini that, The current classification of their genera may be largely tentative because the adult females are simple-featured and much modified owing to the pupillarial mode of life, and also because the second instar nymphs are generally similar among parlatoriines, whether the adult females are pupillarial or not. Andersen found that separating out pupillarial forms into a separate subtribe, Gymnaspidina, was counterproductive, as being non-dispositive.

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Pseudaulacaspis is a genus of scales and mealybugs in the family Diaspididae. There are at least 60 described species in Pseudaulacaspis.

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Unaspis citri, known generally as citrus snow scale, is a species of armored scale insect in the family Diaspididae. Other common names include the orange chionaspi, orange snow scale, white louse scale, and white snow scale.

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Xerophilaspidina is a subtribe of armored scale insects.