Insects - Piercing and Sucking Insects
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Biological Control(X) Conifer(X) Pennsylvania Department of Conservation and Natural Resources - Forestry Archive(X)
| 1 Images of 1 Subjects | View Subject List | View Image Details | View Thumbnails |
| Subject | Scientific Name | Images |
|---|---|---|
| hemlock woolly adelgid | Adelges tsugae | 1 |
