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| mussel scale (Lepidosaphes ulmi, Mytilaspis pomorum, Mytiolococcus ulmi) | |||
| apple mussel scale (Lepidosaphes ulmi, Mytilaspis pomorum, Mytiolococcus ulmi); oystershell scale (Lepidosaphes ulmi, Mytilaspis pomorum, Mytiolococcus ulmi) | |||
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| mussel scale (Lepidosaphes ulmi, Mytilaspis pomorum, Mytiolococcus ulmi) | |||
| apple mussel scale (Lepidosaphes ulmi, Mytilaspis pomorum, Mytiolococcus ulmi); oystershell scale (Lepidosaphes ulmi, Mytilaspis pomorum, Mytiolococcus ulmi) | |||