Biocontrol introduction
Target pest: Cirsium arvense (Asterales: Asteraceae), Californian thistle
Agent introduced: Altica cirsicola (Coleoptera: Chrysomelidae)
Imported:
1992
Import source:
China via Canada
Release details:
Not released
References
Landcare Research (2007a). New Zealand Arthropod Collection (NZAC) Biological Control Voucher Collection. Landcare Research website [Updated 2020] https://www.landcareresearch.co.nz/tools-and-resources/collections/new-zealand-arthropod-collection-nzac/databases-and-holdings/new-t2-landing-page/