• Our Research
    • Research Strategy
    • Research Sites
    • Current Research Projects
    • Research Results
    • Research Collaborations
    • Research Resources
    • Seed Industry Research Centre
    Current Research
    Current Research
    Research Results
    Research Results
  • Resources
    • Biosecurity
    • Crop Action
    • Nutrient Management
    • Maize
    • Templates and Calculators
    • Cereals
    • Weeds
    • Pests
    • Seeds
    • Diseases
    • News
    • Environment
    • Soil
    • Schools
    Podcast
    Podcast
    Environment and Compliance
    Environment and Compliance
  • Levies & Returns
    • Arable Crops Levy
    • Maize Levy
    • Cereal Silage Levy
    • Farmer Annual Return Form
    • Wholesaler Annual Return Form
    Levies
    Levies
    Annual Returns
    Annual Returns
  • Events
  • News
  • About Us
    • Governance and growers
    • Business Strategy
    • Our People
    • Careers
    • Growers Leading Change
    • Women in Arable
    • Arable Ys
    • Arable Kids
    • Arable Research Groups (ARGs)
    • New Zealand Grown Grains
    Our People
    Our People
    Growers Leading Change
    Growers Leading Change
  • Ask FAR AI
  • Weather
  • Log In
Ask FAR AI
Weather
Log In
  • Homepage
  • Resources
  • X 117 Clover Root Weevil

X117 Clover root weevil

Feature placeholder

Key Points

  • Clover root weevil is a major pest of clovers, particularly white clover.
  • Found throughout the North Island and rapidly spreading through the South Island.
  • Larvae are most the damaging stage, destroying clover roots and root nodules.
  • Adults feed on clover foliage leaving distinctive C-shaped notches on leaf margins.
  • Infested pastures become clover and nitrogen deficient.
  • Little is known about its impacts on clover seed crops.
  • Biological control is available.

Click here to read full PDF

Related Resources

12 January 2026

Black-grass update - January 2026

Read information on scouting and the current black-grass situation in this January 2026 update.

Read more
12 January 2026

Report all velvetleaf

A velvetleaf find in a paddock that has been ‘clean’ for seven years, is a clear reminder of how long this weed’s seed will remain viable.

Read more
12 January 2026

Fall armyworm surveillance network refined for 2025/26 season

A review of New Zealand’s fall armyworm surveillance network has confirmed that crop scouting is the most reliable and informative tool for understanding fall armyworm (FAW) activity. However, it also acknowledges that scouting is time consuming and that industry personnel struggle to keep up in the height of the season.

Read more
12 January 2026

Black-grass update December 2025

Growers are reminded to report any grass weeds that appear unfamiliar or could resemble black-grass (Alopecurus myosuroides). Early reporting remains one of our strongest tools for protecting the industry.

Read more
12 January 2026

Chlorpyrifos withdrawal

The Environmental Protection Authority (“EPA”) published a Notice of Direction Prohibiting the Use and Requiring Disposal of Chlorpyrifos Containing Substances in the New Zealand Gazette on 1 September 2025.

Read more
12 January 2026

Black-grass update

Growers are reminded to report any grass weeds that appear unfamiliar or could resemble black-grass (Alopecurus myosuroides). Early reporting remains one of our strongest tools for protecting the industry.

Read more
12 January 2026

Fall armyworm update: 17 April 2025

Keep up with the latest fall armyworm updates for the 2024/25 season, including regional updates and cultural control options for FAW.  

Read more
12 January 2026

Fall armyworm update: 4 April 2025

Find out regional information on Fall armyworm as of April 4 2025.

Read more
12 January 2026

Blackgrass and fall armyworm levy update

Seed and Grain Readiness and Response Incorporated (“SGRR”) is a biosecurity entity for the arable sector. It was established in 2020 under the Government Industry Agreement for Biosecurity (GIA). It is currently collecting levies to cover the costs of the two biosecurity incursions, black grass and fall armyworm. 

Read more
12 January 2026

Fall armyworm update: 14 March 2025

Check out the latest fall armyworm update here. 

Read more

Ask FAR AI

Ask FAR is a new way to get information from the FAR website. Just ‘Ask FAR’ a question and you’ll get a quick, accurate response based on FAR research and resources. Ask FAR also provides links to the original documents for more information. It’s quick, easy and reliable. Ask FAR now!

Start Chatting
  • Research
  • Levies and Returns
  • Resources
  • Events
  • News
  • Contact Us
  • Schools
  • About Us
  • Privacy Policy
  • Terms of use

©2022 Foundation for Arable Research