Essig, E.O. 1920 The grape scale in California.. Monthly Bulletin, California Department of Agriculture 9: 37-39.
Notes: First published record of grape scale [Aspidiotus uvae] in California; mentions 15 other scales.
Essig, E.O. 1920 The grape scale in California.. Monthly Bulletin, California Department of Agriculture 9: 37-39.
Notes: First published record of grape scale [Aspidiotus uvae] in California; mentions 15 other scales.