Resources and publications
Last updated on June 14, 2023Invasive species strategic documents
- The Invasive Species Strategic Plan, IMISWG, 2014 (PDF 1.6MB)
- Invasive Plant Program Strategic Plan, FLNRORD, 2014 to 2019 (PDF 758KB)
- Invasive Alien Species Framework for B.C. September, 2004, (PDF 1.5MB)
- B.C. Invasive Species Early Detection Rapid Response Plan, 2014 (PDF 3.3MB)
- Zebra and Quagga Mussel Early Detection and Rapid Response Plan for B.C.(2015) (PDF 3.2MB)
- Soil Movement: Contamination and Invasive Species, 2016 (PDF)
Economic impacts of invasive species
- Preliminary Damage Estimates for Selected Invasive Fauna in B.C. 2013 (PDF 5.3MB)
- Economic Impacts of Invasive Plants in British Columbia, IPCBC, 2009 (PDF 3.28MB)
Thompson-Nicola invasive plant management pilot project
- Invasive plant management in the Thompson-Nicola (Initial pilot plan report, 2017)(PDF 1.9MB)
- 2017 TNRD invasive plant pilot update report (PDF 2.2MB)
- 2018 TNRD invasive plant pilot update report (PDF 1.3MB)
- 2019 TNRD invasive plant pilot update report (PDF 4MB)
- 2020 TNRD invasive plant pilot update report (PDF 3MB)
Managing invasive species
- Proposed Prohibited Noxious Weeds (2019) (PDF 147.5KB)
- 7 Steps To Managing Your Weeds (2004) (PDF 997KB)
- Guide to Weeds in British Columbia (2002) (PDF 5.7MB)
- Haida Gwaii Knotweed Herbicide Treatment Demonstration Project (July, 2013) (PDF 1.1MB); a report on the demonstration of various herbicide treatment methods employed on Japanese, Himalayan, and Bohemian knotweed infestations on Haida Gwaii
- B.C. Aquatic Invasive Species Survey Methods (2015) (PDF 1480KB)
- Nimpkish River Knotweed Eradication Project Summary Report (2018 to 2021) (PDF, 1MB)
Provincial public land treatment prescriptions
- 2019 Herbicide Guidelines for Control of Knotweeds on Crown Lands (PDF 165KB)
- 2020 Treatment Prescriptions for control of Marsh Thistle on Provincial Public Lands (PDF 409KB)
Invasive species guides and best practices
- Yellow Floating Heart Residential Mechanical Control Methods on Seymour Lake (PDF, 1.1MB)
- Flowering Rush Residential Mechanical Control Methods on Hatzic Lake (PDF, 630KB)
- Field Guide to Noxious Weeds and Other Selected Invasive Plants of British Columbia, 10th addition, 2019 (PDF 2.74MB)
- An Identification Guide to Prohibited Aquatic Invasive Species in British Columbia (PDF 3.33MB)
- Best Practices For Preventing The Spread Of Invasive Plants During Forest Management Activities (2013) (PDF 4.14MB)
- Best Practices For Managing Invasive Plants on Roadsides (PDF 11.81MB)
- Best Management Practices for Invasive Plants in Parks and Protected Areas of British Columbia (PDF 13.87MB)
- Best Practices For Managing Invasive Plants on Oil and Gas Operations (PDF 6.69MB)
- Aquatic Invasive Species Best Practices for the Boating Industry (PDF 759.1KB)
- Report-a-Weed app user guide (PDF 1.8MB)
- Prescribed Fire and Invasive Plants: A Reference Guide and Manual of Best Practices (PDF, 4.9MB)
Biological control
- Field Guide to the Biological Control of Weeds in British Columbia (PDF 6.4MB)
- Impact of Biological Control on Two Knapweed Species in British Columbia (PDF 5.8MB)
- Biocontrol Agent Lifecycle Schedule - November 2019 - updated 2022 (PDF 580KB)
- Biocontrol Agent Handling Techniques - April, 2016 (PDF 949KB)
| Bioagent | Attacks | Agent type | Published |
|---|---|---|---|
| Agapeta zoegana (PDF 534 KB | Diffuse knapweed, Meadow knapweed, Spotted knapweed | Root feeding moth | March 1998 |
| Cochylis atricapitana (Appendix I) (PDF 1.1MB) Longitarsus jacobaeae (Appendix H) (PDF 1MB) Tyria jacobaeae (Appendix G) (PDF 1.2MB) |
Operational Field Guide to the Establishment of Tansy Ragwort Biocontrol Agents in B.C.. Contains the descriptions and details for all three bioagents as separate appendices. You may also download each appendix individually at left. |
Root crown feeding moth; |
June 2013 |
| Cyphocleonus achates (PDF 524KB) | Diffuse knapweed, Spotted knapweed | Root feeding beetle | March 1998 |
| Larinus minutus (PDF 1.7MB) | Diffuse knapweed, Meadow knapweed, Spotted knapweed | Seed feeding beetle | March 1999 |
| Larinus obtusus (PDF 3.8MB) | Diffuse knapweed, Meadow knapweed, Spotted knapweed | Seed feeding beetle | July 2002 |
| Larinus planus (PDF 1.7MB) | Bull thistle, Canada thistle, Nodding thistle, Plumeless thistle | Seed feeding beetle | May 2001 |
| Mecinus janthinus (PDF 1.6MB) | Dalmatian toadflax, Yellow/common toadflax | Stem mining beetle | May 2000 |
| Mogulones crucifer (PDF 4MB) | Hound's-tongue | Root feeding beetle | May 2004 |
| Rhinusa antirrhini (PDF 2.3MB) | Dalmatian toadflax, Yellow/common toadflax | Seedhead feeding beetle | May 2008 |
| Urophora cardui (PDF 4.3MB) | Canada thistle | Stem gall-forming fly | December 2009 |
Technical reports and dichotomous keys
- Key to Identification of Invasive and Native Hawkweeds in the Pacific Northwest (2023) (PDF 10.1MB)
- Key to Identification of Invasive Knotweeds in British Columbia (PDF 904KB)
- The Decline of Diffuse Knapweed in British Columbia (PDF 488KB)
- Impact of Biological Control on Two Knapweed Species in British Columbia (PDF 5.9MB); a research report on the long-term efficacy of a suite of biological control agents released on Diffuse knapweed and Spotted knapweed in B.C.'s Southern Interior
- St. John’s wort control in British Columbia by the Chrysolina beetles (PDF, 570KB)
- Technical Report 135 Trichosirocalus horridus Effect on Nodding Thistle (Carduus nutans) 2021
- Technical Report 136 Survival of the Biological Control Agent Rhinocyllus conicus on Marsh Thistle (Cirsium palustre) in British Columbia 2021
- Technical Report 140 Longitarsus jacobaeae Swiss Biotype Effect on Tansy Ragwort (Senecio jacobaea) in Naramata, British Columbia