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The appearance and location of the mite predator typhlodromus occidentalis on apple trees
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The appearance and location of the mite predator typhlodromus occidentalis on apple trees

S. C. (Stanley Charles) Hoyt and Arthur H. Retan
Extension mimeo (Washington State University. Extension), EM2744, Washington State University Extension
01/1967
Handle:
https://hdl.handle.net/2376/10233
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