Spring grain-aphis or so-called "green bug" (Toxoptera graminum Rond.)
Publisher: Government Printing Office
Published: 1909
Place of publication: Washington, D.C.
Language: eng
Number of pages: 22
Subjects: Greenbug.
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF029651546%26ix=pm%26I=0%26V=D%26pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF029651546%26ix=pm%26I=0%26V=D%26pm=1</a>