Life history of alder blight aphis.

Papers on cereal and forage insects : Contributions to knowledge of corn root-aphis.
Published: (1910)

Oat aphis.
Published: (1914)

Spring grain-aphis or so-called "green bug" (Toxoptera graminum Rond.).
Published: (1907)

Spring grain-aphis or so-called "green bug" (Toxoptera graminum Rond.).
Published: (1909)

Papers on aphididae : Contents and index.
Published: (1915)

Rose aphis.
Published: (1914)

Oat aphis.
Published: (1914)

Hop aphis in Pacific region.
Published: (1913)

Woolly aphis of apple (Schizoneura lanigera Hausmann).
Published: (1897)

Woolly aphis of apple (Schizoneura lanigera Hausmann.).
Published: (1908)

Life history of 2 species of plant-lice, inhabiting both witch-hazel and birch.
Published: (1901)

Defoliation of Sitka spruce by green spruce aphis.
Published: (1918)

Papers on aphididae : Yellow clover aphis.
Published: (1914)

Biology and ecology of aphids /
Published: (2016)

Papers on aphididae : Studies on new species of Toxoptera, with analytical key to genus and notes on rearing methods.
Published: (1912)

Miscellaneous papers : Biological studies on three species of Aphididae.
Published: (1909)

How to protect rose bushes from rose aphids.
Published: (1917)

Studies on contact insecticides.
Published: (1923)

Brief information on aphids affecting shade and ornamental shrubs and how to control them.
Published: (1916)

Biology and control of corn leaf aphid with special reference to Southwestern States.
Published: (1932)

Generic classification of hemipterous family Aphididae.
Published: (1920)

Walnut aphides in California.
Published: (1914)

Walnut aphides in California.
Published: (1914)

Calcium arsenate dusting as cause of aphid infestation.
Published: (1930)

Aphid biodiversity under environmental change : patterns and processes /
Published: (2010)

Pea aphis (Macrosiphum pisi Kalt.).
Published: (1909)

A comparison of field population dynamics in relation to developmental time and fecundity under laboratory conditions of the foliage aphid species complex on pecan /.
by: Flores-Flores, Raul Jesus, 1944-
Published: (1981)

Corn root-aphis and methods of controlling it.
Published: (1917)

Aphids as crop pests /
Published: (2017)

Aphids as crop pests /
Published: (2007)

Spring grain-aphis or "green bug".
Published: (1912)

Life history of codling moth in Delaware.
Published: (1928)

Control of melon aphis (attacks cucumbers, melons, other cucurbits, cotton, oranges, et cetera).
Published: (1918)

Studies on life history and habits of jointworm flies of genus Harmolita (Isosoma), with recommendations for control.
Published: (1920)

Papers on deciduous fruit insects and insecticides : Life history of codling moth in northwestern Pennsylvania.
Published: (1910)

Life history of codling moth in Yakima Valley of Washington.
Published: (1924)