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Subscribe√ Premises flies √ Cattle tick √ Lice
When using the product to target a particular parasite, be aware that it will be treating any other of the above-mentioned parasites that are present. This can increase the development of chemical resistance by all of these parasites each time an IGR product is used.
Note: √ Toxic to spiders, crustaceans and beneficial insects such as bees and predators of house fly larvae.
√ Pour on √ Premises surface spray √ Water soluble granules for premises
A variety of application methods for administering pesticide products to cattle are in use.
Reported in: √ Flies / Cattle tick
Everyone working in the rural industry has a ‘duty of care’; a legal obligation to provide a safe workplace for everyone on the property.
Withholding periods are mandatory with all registered veterinary products used to treat animals for internal and external parasites.
A guide to the different actives and the pests they affect are in Table 1. See the Products Search Guides for LiceBoss, WormBoss, TickBoss and FlyBoss for the appropriate formulation and application method for your target pest. Note combinations and mixtures of actives may improve treatment efficacy.
Table 1. Insect growth regulators, their actives and mixtures and a summary of the targeted parasites for which formulations are registered for.
Chemical | Pests targeted (may vary with formulation) | |||||
Round worm | Flies | Cattle tick | Lice | Mites | ||
Buffalo fly | Premises flies* | |||||
IGR | ||||||
Cyromazine | √ | |||||
Diflubenzuron | √ | √ | ||||
Fluazuron | √ | |||||
Mixtures (multiple targets) | ||||||
Fluazuron and ivermectin | √ | √ | √ | √ | √ |
*IRAC Mode of Action Diflubenzuron group 15; Cyromazine group 17
Insect growth regulators (IGRs) are sometimes called development inhibitors. The chemicals interrupt insect growth and development by interfering with the production of chitin – the compound insects, ticks, lice and mites use to make their exoskeleton.
As arthropods grow their exoskeleton becomes too small and they have to shed this outer skin (moult) to continue growing. This new skin requires chitin and IGRs inhibit this process causing the larvae to stop growing and developing into an adult. IGRs also inhibit egg hatching.
IGRs are slow-acting compounds that eliminate infestations over many weeks. Adult stages are not killed by IGRs because they do not moult.
Diflubenzuron is a broad spectrum larvacide used in bait formulations for nuisance flies and for treating lice on cattle.
Cyromazine is a narrow spectrum larvacide that is only effective against dipteran larvae i.e. flies. As cyromazine is specific against house flies it is not toxic to the beneficial insects that live in livestock manure if used as directed.
Fluazuron is effective against ticks, but not flies.
Subscribe the the Boss Bulletin for monthly updates and articles about all things parasite management
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