Western Australia, St. John's wort, Beetle parasites, Chrysomelid beetles
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Some hundreds of thousands of Chrysomelid beetles, which attack St. John's Wort, were recently forwarded to this State by air freight from the C.S.I.R.O. Division of Entomology, Canberra, and have been liberated at Greenbushes and Forestgrove.
"St. John's wort - beetle parasites imported,"
Journal of the Department of Agriculture, Western Australia, Series 3: Vol. 2
, Article 18.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture3/vol2/iss1/18