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Filtering by: Subject Lice Creator Washburn, F. L. (Frederic Leonard), 1860 1927

Bulletin No. 33

Creator:

Oregon Agricultural Experiment Station and Washburn, F. L. (Frederic Leonard), 1860-1927

Abstract:

Published December 1894. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

numerous minute flies which are parasitic on plant lice. Fortunately, almost simultaneously with an
Bulletin No. 25

Creator:

Oregon Agricultural Experiment Station and Washburn, F. L. (Frederic Leonard), 1860-1927

Abstract:

Published April 1893. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

, Hop Lice, Green Aphis etc. The last beetle on the right in the lower line is an injurious forni known
Bulletin No. 10

Creator:

Oregon Agricultural Experiment Station and Washburn, F. L. (Frederic Leonard), 1860-1927

Abstract:

Published April 1891. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

13,400,000 lbs., over and above that lost by lice. Thirty cents per lb. would be, perhaps, a fair average