283 resultados para Beneficial insects

em University of Michigan


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Issues for 1876- called 1st- and written by C.T. Thomas, but actually 6th- reports in series; issues for -1916 called -18th and written S.A. Forbes, but actually -29th reports in series.

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First edition issued as v. 2, no. 1-2 of Monthly bulletin ... Jan. and Feb. 1913.-Pref.

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Vols. for 1871-74 incorrectly numbered 1-4.

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"Charles V. Riley, State Entomologist."

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Chiefly tables.

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Later reports on the work of the State Entomologist are found in the report of the Director of the State Museum.

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Mode of access: Internet.

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At head of tltle: Issued Aug. 15,1917. U.S. Dept. of agriculture, Office of the secretary. Contribution from the Bureau of entomology, L. O. Howard, chief, in collaboration with the Federal horticultural board, C. L. Martlatt, chairman.

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Bibliography: p. 9

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Plates accompanied by descriptive letterpress.