obscure scale (English)
oleander scale (Aspidiotus nerii) (English)
olive parlatoria scale (English)
olive scale (English)
orange brown scale (English)
orange chionaspis (English)
orange scale (Aonidiella aurantii) (English)
orange scale (Lepidosaphes beckii) (English)
orange snow scale (English)
orchid parlatoria scale (English)
orchid scale (English)
oriental citrus scale (English)
oriental red scale (English)
oriental scale (English)
oriental yellow scale (English)
oystershell scale (Diaspidiotus ostreaeformis) (English)
oystershell scale (Lepidosaphes ulmi) (English)
Oleander-Schildlaus (German)
Oceanasapidiotus pangoensis ()
Odonaspis secreta (Odonaspis greenii) ()