Lepidosaphes ulmi

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Apple mussel scale
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Hemiptera
Family: Diaspididae
Genus: Lepidosaphes
Species: L. ulmi
Binomial name
Lepidosaphes ulmi
(Linnaeus, 1758)

Lepidosaphes ulmi also known as apple mussel scale or oystershell scale is a scale insect that is a pest on woody plants. The small insects attach themselves to bark and cause injury by sucking the tree's sap, this metabolic drain on the plant may kill a branch or the entire tree.

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