TY  - BOOK
AU  - Marsh,Harold Oscar
TI  - The horse-radish webworm. [Plutella armoracia Busek]
T2  - United States. Dept. of Agriculture. Bureau of Entomology. Bulletin
AV  - SB823 .A2 no. 109 pt. vii
PY  - 1913///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Horse-radish web-worm
ER  -