The Spruce Gall Aphid Adelges Cooleyi (Gill) in Utah.
This paper is the result of research started on the Campus of the Utah State Agricultural College in the Spring of 1928. It is the intention of the writer to give the economic importance of the insect in the state, kind and extent of damage life history and control as far as it has been found.
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| Format: | Others |
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DigitalCommons@USU
1930
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| Online Access: | https://digitalcommons.usu.edu/etd/1803 https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=2802&context=etd |