Western Australia, Pest management, San Jose scale, Quadraspidiotus perniciosus (Comst.)
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The San Jose scale (pronounced San Hozay), sometimes known as the pernicious scale, has been described by American authors as potentially capable of doing more damage than any other insect occurring in orchards of the Pacific North-West. Fortunately the pest is not the scourge in this State that it is in many parts of Europe and America, but on account of the strict quarantine barriers raised by many countries against fruit even lightly infested with San Jose scale, the matter of its control is of paramount importance.
Jenkins, C. F. H.
"Insect pests and their control - The San Jose scale - Quadraspidiotus perniciosus (Comst.),"
Journal of the Department of Agriculture, Western Australia, Series 3: Vol. 6:
5, Article 6.
Available at: https://library.dpird.wa.gov.au/journal_agriculture3/vol6/iss5/6