The life history of the alder blight aphis. [Prociphilus tessellata Fitch.]
Pergande, Theodore, -1916.
The life history of the alder blight aphis. [Prociphilus tessellata Fitch.] By Theo. Pergande ... - Washington, Govt. Print. Off., 1912. - 28 p. illus. 23 cm. - U.S. Dept. of Agriculture. Bureau of Entomology. Technical series, no. 24 .
agr12000779
Alder blight aphis.
SB823 / .A31 no. 24
The life history of the alder blight aphis. [Prociphilus tessellata Fitch.] By Theo. Pergande ... - Washington, Govt. Print. Off., 1912. - 28 p. illus. 23 cm. - U.S. Dept. of Agriculture. Bureau of Entomology. Technical series, no. 24 .
agr12000779
Alder blight aphis.
SB823 / .A31 no. 24