- Ritcher, Paul O.
- Integrated Plant Protection Center
- Oregon State University. Agricultural Experiment Station
- Oregon State University. Extension Service
- Oregon State University--Faculty
- Entomology--Study and teaching (Higher)--Oregon
- Forest insects--Oregon
- Insect pests--Control--Oregon
- Insects--Collection and preservation
Restrictions on Access
Collection is open for research.
Entomology Department Records (RG 27), Oregon State University Archives, Corvallis, Oregon.
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