This content is current only at the time of printing. This document was printed on 30 May 2017. A current copy is located at https://apvma.gov.au/node/19336
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|Chemical class||Organophosphorus insecticide|
|Mode of action||1B – Acetylcholinesterase (AChE) inhibitors|
|Target pests||Parasites, red worms, pin worms, round worms, bots, grubs, army worms and insect pests|
|Hosts||Fish tanks, lawn, a range of fruit and vegetable crops, rice, cattle and horses|
|Formulations||Liquid concentrate, emulsifiable concentrate, oral paste, oral granules, pellets, misc. fish tank medication and soluble concentrate|
|Home garden use||Yes|
|No of Australian Approvals and Registrations||4 active constituents, 8 products|
Schedule 6Trichlorfon except metrifonate included in Schedule 4
|Australian Health-based guidance values||
ADI: 0.002 mg/kg bw per day (1986)No Australian ARfD established
- If residues are present at the level of MRLs, estimated dietary intakes may exceed the EU ARfD.
- Australia has established MRLs but there are no CODEX MRLs. Potential trade risk.
- Close to 50 adverse experience reports have been received by the APVMA. Most of these incidents occurred in horses which included adverse effects to the mouth, and one fatality.
- With respect to home garden uses, there is potential for high exposure leading to unacceptable health risks.
- High leaching potential. Highly toxic to fish.
- Highly important chemical for pest management in a number of horticulture crops.
- With respect to the control of fruit spotting bug in macadamias, trichlorfon is a key chemical in pesticide rotation strategies.
- Low importance and little use in grain crops.
- Used widely in the management of fruit fly in WA and Qld.