Lepidosaphes ulmi< Horticulture
|Damaging stages:||Nymph through adult|
Lepidosaphes ulmi also known as oystershell scale are Scale Insects 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.
Symptoms and SignsEdit
Scales are clearly visible.