Toxicological and Oviposition Suppression Responses of Field Populations of the Australian Sheep Blowfly, <i>Lucilia cuprina</i> (Wiedemann) (Diptera: Calliphoridae) to the Pyrethroid Cypermethrin

Sales, N.; Shivas, Martin A.; Levot, G. W.

doi:10.1111/j.1440-6055.1996.tb01404.x

Cited by 3 publications

(2 citation statements)

References 14 publications

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“…Today there remains only one SP‐based blowfly control product: Vanquish®, containing alpha‐cypermethrin, with a claim for protection against body strike only, for up to 10 weeks. SPs also act against the larval stages of the blowfly, 36 and hence, at the concentration applied to sheep, the compounds would act as both oviposition suppressants and larvicides. 36 , 37 Sales et al 36 showed that the widespread use of SPs against lice before their introduction for fly control had not resulted in any resistance to the oviposition suppression activity.…”

Section: Repellentsmentioning

confidence: 99%

“…SPs also act against the larval stages of the blowfly, 36 and hence, at the concentration applied to sheep, the compounds would act as both oviposition suppressants and larvicides. 36 , 37 Sales et al 36 showed that the widespread use of SPs against lice before their introduction for fly control had not resulted in any resistance to the oviposition suppression activity. However, it is not known if this situation still exists today.…”

Section: Repellentsmentioning

confidence: 99%

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Control of sheep flystrike: what's been tried in the past and where to from here

Kotze

James

2021

Aust Veterinary J

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Flystrike remains a serious financial and animal welfare issue for the sheep industry in Australia despite many years of research into control methods. The present paper provides an extensive review of past research on flystrike, and highlights areas that hold promise for providing long-term control options. We describe areas where the application of modern scientific advances may provide increased impetus to some novel, as well as some previously explored, control methods. We provide recommendations for research activities: insecticide resistance management, novel delivery methods for therapeutics, improved breeding indices for flystrike-related traits, mechanism of nematode-induced scouring in mature animals. We also identify areas where advances can be made in flystrike control through the greater adoption of well-recognised existing management approaches: optimal insecticide-use patterns, increased use of flystrike-related Australian Sheep Breeding Values, and management practices to prevent scouring in young sheep. We indicate that breeding efforts should be primarily focussed on the adoption and improvement of currently available breeding tools and towards the future integration of genomic selection methods. We describe factors that will impact on the ongoing availability of insecticides for flystrike control and on the feasibility of vaccination. We also describe areas where the blowfly genome may be useful in providing impetus to some flystrike control strategies, such as area-wide approaches that seek to directly suppress or eradicate sheep blowfly populations. However, we also highlight the fact that commercial and feasibility considerations will act to temper the potential for the genome to act as the basis for providing some control options.

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Section: Repellentsmentioning

confidence: 99%

Section: Repellentsmentioning

confidence: 99%

Control of sheep flystrike: what's been tried in the past and where to from here

Kotze

James

2021

Aust Veterinary J

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Reduced synergistic efficacy of piperonyl butoxide in combination with alpha-cypermethrin in vitro in an insecticide-resistant strain of the sheep blowfly, Lucilia cuprina

Kotze

Rolls²

2023

Veterinary Parasitology

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Parasiticide resistance in flies, lice and ticks in New Zealand and Australia: mechanisms, prevalence and prevention

Heath

Levot

2015

New Zealand Veterinary Journal

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This review outlines the history of parasiticide resistance in the principal ectoparasites of sheep and cattle in New Zealand and Australia, blowflies, buffalo fly (Haematobia irritans exigua), sheep biting louse (Bovicola ovis) and cattle ticks, and discusses recent changes in their response to insecticides and acaricides. Mechanisms of resistance and evaluation methods are described, with ways in which insecticide resistance can be avoided or ameliorated also discussed. Resistance in sheep blowflies (Lucilia cuprina; L. sericata) to organophosphates and benzoylphenyl urea compounds is widespread in Australia and New Zealand, but there are lesser concerns about a pyrimidine carbonitrile product as well as cyromazine and macrocyclic lactone actives which still offer the promise of long-term protection. In Australia the effectiveness of synthetic pyrethroid and benzoylphenyl urea products against the biting louse of sheep have been reduced by widespread resistance but effective temephos, macrocyclic lactone, imidacloprid and spinosyn-based products are now available. Pyrethroid-resistant sheep lice are also present in New Zealand. Buffalo fly remains a significant problem in Australia and control relies heavily on insecticide use. Resistance to synthetic pyrethroids is widespread and organophosphate resistance common, but less evenly distributed. There is no evidence of resistance to acaricides used against the New Zealand cattle tick, Haemaphysalis longicornis and experience in Japan with the most commonly available active, flumethrin (a synthetic pyrethroid), suggests that this three-host tick is, in the short term, likely to remain susceptible. The same cannot be said for Rhipicephalus australis (formerly Boophilus microplus) which, in some strains, is highly resistant to many of the active ingredients in the acaricides used against it. A formamidine, a benzoylphenyl urea and macrocyclic lactones still show efficacy although some resistance is being detected to macrocyclic lactones in a few strains and the occurrence of resistance to the benzoylphenyl urea active in Brazil is ominous for Australian producers. Insecticide resistance is a price paid for improved livestock health, welfare and cost-effective animal production, but it can be managed through judicious and targeted use of insecticides, consideration of refugia, and observance of the principles of integrated pest management. The use of traps, biological control agents and judicious husbandry all have a role to play, but strict adherence to the correct application of insecticides and recognition of their capabilities and limitations is also required. Alternative methods of ectoparasite control and recommendations for their integration into preventative programmes are discussed briefly in this review.

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Toxicological and Oviposition Suppression Responses of Field Populations of the Australian Sheep Blowfly, Lucilia cuprina (Wiedemann) (Diptera: Calliphoridae) to the Pyrethroid Cypermethrin

Cited by 3 publications

References 14 publications

Control of sheep flystrike: what's been tried in the past and where to from here

Control of sheep flystrike: what's been tried in the past and where to from here

Reduced synergistic efficacy of piperonyl butoxide in combination with alpha-cypermethrin in vitro in an insecticide-resistant strain of the sheep blowfly, Lucilia cuprina

Parasiticide resistance in flies, lice and ticks in New Zealand and Australia: mechanisms, prevalence and prevention

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