Search Results - "Agriculture"

1

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Revision of the Aphelininae of North America A subfamily of hymenopterous parasites of the family Chalcididae

by Howard, Leland Ossian
Published 1895

“...United States Department of Agriculture. Division of Entomology. Technical Series...”

Book

2

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Revision of the Aphelininae of North America A subfamily of hymenopterous parasites of the family Chalcididae

by Howard, Leland Ossian
Published 1895

“...United States Department of Agriculture. Division of Entomology. Technical Series...”

Book

3

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<<The>> San Jose Scale its ocurrences in the United States with a full account of its life history and the remedies to be used against it

by Howard, Leland Ossian
Published 1896

“...Bulletin / United States Department of Agriculture. Division of Entomology. New series...”

Book

4

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<<The>> grass and grain joint-worm flies and their allies a consideration of some North American phytophagic Eurytominae

by Howard, Leland Ossian
Published 1896

“...United States Department of Agriculture. Division of Entomology. Technical Series...”

Book

5

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Some mexican and japanese injurious insects liable to be introduced into the United States a study in insect parasitism

by Howard, Leland Ossian
Published 1896

“...US Department of Agriculture, Division of Entomology. Technical series...”

Book

6

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Some mexican and japanese injurious insects liable to be introduced into the United States a study in insect parasitism

by Howard, Leland Ossian
Published 1896

“...US Department of Agriculture, Division of Entomology. Technical series...”

Book

7

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<<The>> San Jose Scale its ocurrences in the United States with a full account of its life history and the remedies to be used against it

by Howard, Leland Ossian
Published 1896

“...Bulletin / United States Department of Agriculture. Division of Entomology. New series...”

Book

8

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<<The>> grass and grain joint-worm flies and their allies a consideration of some North American phytophagic Eurytominae

by Howard, Leland Ossian
Published 1896

“...United States Department of Agriculture. Division of Entomology. Technical Series...”

Book

9

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<<A>> study in insect parasitism a consideration of the parasites of the white marked tussock moth ...

by Howard, Leland Ossian
Published 1897

“...United States Department of Agriculture. Division of Entomology. Technical Series...”

Book

10

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Insects affecting the cotton plant

by Howard, Leland Ossian
Published 1897

“...Farmers' bulletin / United States Department of Agriculture...”

Book

11

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<<The>> gipsy moth in America A summary account of the introduction and spread of Porthetria dispar in Massachusetts ...

by Howard, Leland Ossian
Published 1897

“...Bulletin / United States Department of Agriculture. Division of Entomology. New Series...”

Book

12

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Insects affecting the cotton plant

by Howard, Leland Ossian
Published 1897

“...Farmers' bulletin / United States Department of Agriculture...”

Book

13

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<<A>> study in insect parasitism a consideration of the parasites of the white marked tussock moth ...

by Howard, Leland Ossian
Published 1897

“...United States Department of Agriculture. Division of Entomology. Technical Series...”

Book

14

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<<The>> gipsy moth in America A summary account of the introduction and spread of Porthetria dispar in Massachusetts ...

by Howard, Leland Ossian
Published 1897

“...Bulletin / United States Department of Agriculture. Division of Entomology. New Series...”

Book

15

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Recent laws against injurious insects in North America, together with the laws relative to foul brood

by Howard, Leland Ossian
Published 1898

“...Bulletin / United States Department of Agriculture. Division of entomology. New series...”

Book

16

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<<The>> San Jose scale in 1896-1897

by Howard, Leland Ossian
Published 1898

“...Bulletin / United States Department of Agriculture. Division of entomology. New series...”

Book

17

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<<The>> San Jose scale in 1896-1897

by Howard, Leland Ossian
Published 1898

“...Bulletin / United States Department of Agriculture. Division of entomology. New series...”

Book

18

Cover Image

Recent laws against injurious insects in North America, together with the laws relative to foul brood

by Howard, Leland Ossian
Published 1898

“...Bulletin / United States Department of Agriculture. Division of entomology. New series...”

Book