Publisher: Entomology Bureau / Publish Year Decade: 1920 - 1929 - Blacklight Search Results

Start Over Publisher Entomology Bureau Publish Year Decade 1920 - 1929

631. Southern pine beetle, menace to pine timber of Southern States; [by] A. D. Hopkins.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: Mar. 1921

632. Nicotine sulphate in dust carrier against truck-crop insects; [by] Roy E. Campbell.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: Feb. 21, 1921

633. Scolytids. Contributions toward monograph of scolytid beetles: Contents and index.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: Feb. 19, 1921

634. Insects. Technical papers on miscellaneous forest insects: Contents and index.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: Feb. 12, 1921

635. Scale-insects. Papers on Coccidæ or scale insects: Contents and index.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: Feb. 7, 1921

636. Boll weevils. Dispersion of boll weevil in 1920; by B. R. Coad and R. W. Moreland.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: Jan. 2, 1921

637. Anastatus semiflavidus. Biology and economic importance of Anastatus semiflavidus, recently described egg parasite of Hemileuca oliviae; by D. J. Caffrey.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: 1921

638. Beetles. Hopkins host-selection principle as related to certain cerambycid beetles; by F. C. Craighead.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: 1921

639. Boll weevils. Killing boll weevils with poison dust; by B. R. Coad.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: [1921.]

640. Boll weevils. Some rules for poisoning cotton boll weevil; [by] B. R. Coad and T. P. Cassidy.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: Jan. 1921

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