The spring grain-aphis or so-called "green bug." (Toxoptera graminum Rond.)

An edition of The spring grain-aphis or so-called "green bug." (Toxoptera graminum Rond.) (1909)

The spring grain-aphis or so-called "green bug." (Toxoptera graminum Rond.)

By F. M. Webster,United States. Department of Agriculture. National Agricultural Library.,United States. Bureau of Entomology

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Publish Date

1909

Publisher

Govt. Print. Off.

Language

eng

Pages

Description:

subjects: Greenbug