Robert E. Stevens

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1) Ponderosa pine budworm

Author

Stevens, Robert E

Series

Insect series. Trees and shrubs volume no. 5.567
Service in action volume no. 5.567

2) Ponderosa pine needle miners

Author

Stevens, Robert E

Series

Service in action volume no. 5.544
Insect series. Trees and shrubs volume no. 5.544

3) Douglas-fir tussock moths

Author

Stevens, Robert E

Series

Insect series. Trees and shrubs volume no. 5.542

Pub. Date

2005.

4) Western spruce budworms

Author

Leatherman, David

Series

Insect series. Trees and shrubs volume no. 5.543
Service in action volume no. 5.543

5) Douglas-fir tussock moths

Author

Brewer, J. Wayne

Series

Service in action volume no. 5.542