Hemiptera
| Kingdom: Animalia |
| Phylum: Arthropoda |
| Subphylum: Atelocerata |
| Class: Hexapoda (including Insecta) |
| Infraclass: Neoptera |
| Subclass: Pterygota |
| Order: Hemiptera |
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Gallmaker Insects(X) Damage(X) Pennsylvania Department of Conservation and Natural Resources - Forestry Archive(X)
| 4 Images of 2 Subjects | View Subject List | View Image Details | View Thumbnails |
| Subject | Scientific Name | Images |
|---|---|---|
| cooley spruce gall adelgid | Adelges cooleyi | 3 |
| eastern spruce gall adelgid | Adelges abietis | 1 |
