Browsing Extension Service and Agricultural Experiment Station by Subject "Adelgidae -- Oregon"

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Aphid and adelgid pests of conifers in Oregon

Oregon State University. Extension Service; DeAngelis, Jack D. ([Corvallis, Or.] : Oregon State University, Extension Service, 1994-11)

This publication covers the important aphid and adelgid pests of conifers in Oregon, excluding those that primarily feed on the roots of their host.