TY  - BOOK
AU  - Pergande,Theodore
TI  - The life history of the alder blight aphis. [Prociphilus tessellata Fitch.]
T2  - U.S. Dept. of Agriculture. Bureau of Entomology. Technical series,
AV  - SB823 .A31 no. 24
PY  - 1912///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Alder blight aphis
ER  -