The spring grain-aphis or so-called "green bug." (Toxoptera graminum Rond.)
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Author
Publication
1909 - Govt. Print. Off., Washington, District of Columbia
Language
English
Word Count
5,500 words, Guess
Page Count
22 pages
Identifiers
- Open LibraryOL59422334M
- OCLC Control Number229476306
- Library of Congress Control Numberagr07002089
Classifications
- LCCSB818 .C6 no.93 1909
Subjects
Topics
Series Statement
- U.S. Dept. of Agriculture. Bureau of Entomology. Circular -- no. 93, rev
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