Generic classification of the Hemipterous family Aphididae
Baker,A.C.
Generic classification of the Hemipterous family Aphididae - - Washington-USA 1920 - - Bulletin. U.S. Dept. of Agriculture v.826 .
--Entomologia--Insecta--Hemiptera--Aphididae----
Zoologia
Generic classification of the Hemipterous family Aphididae - - Washington-USA 1920 - - Bulletin. U.S. Dept. of Agriculture v.826 .
--Entomologia--Insecta--Hemiptera--Aphididae----
Zoologia