Escalating insecticide resistance in Australian grain pests: contributing factors, industry trends and management opportunities

Umina, Paul A; McDonald, G.; Maino, James L.; Edwards, Owain; Hoffmann, Ary A.

doi:10.1002/ps.5285

Cited by 63 publications

(78 citation statements)

References 72 publications

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“…Insecticide seed treatments in cereals have become commonplace in parts of south‐eastern Australia where D. noxia is present (Umina et al . ). In part, this is due to farmers' uncertainty about the impacts D. noxia can have and the inability to confidently assess crop risk (Umina et al .…”

Section: Managementmentioning

confidence: 97%

“…Unfortunately, within Australia, there is very limited opportunity to rotate cereal seed dressings with neonicotinoid‐free products as there are, effectively, no other classes of insecticide seed dressings targeting the same pest spectrum (Umina et al . ). Protecting natural enemies associated with D. noxia will help decrease the potential for insecticide resistance by reducing the intensity of chemical applications.…”

Section: Managementmentioning

confidence: 97%

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Biology, ecology and management of Diuraphis noxia (Hemiptera: Aphididae) in Australia

et al. 2020

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The Russian wheat aphid, Diuraphis noxia (Mordvilko ex Kurdjumov), is one of the world's most economically important pests of grain crops and has been recorded from at least 140 grass species within Poaceae. It has rapidly dispersed from its native origin of Central Asia into most major grain-producing regions of the world including Africa, Asia, Europe, the Middle East, North America and South America. Diuraphis noxia was first found in Australia in a wheat crop in the mid-north of South Australia in May 2016. Since then, D. noxia has been recorded throughout grain-growing regions of South Australia, Victoria, New South Wales and Tasmania. The distribution will continue to expand, with climatic suitability modelling suggesting D. noxia can persist in all key grain regions, including large parts of Western Australia and Queensland. Australian populations of D. noxia appear to be anholocyclic, with no sexual stages being observed. The aphids can reproduce year round as long as host plants are available. Australian farmers have generally adopted prophylactic insecticide seed treatments and/or foliar sprays to manage D. noxia. Research is required to fully understand yield impacts, host preferences and host plant resistance associated with D. noxia. Cultural control through managing alternate host plants over summer, agronomic crop management, biological control and developments in host plant resistance should provide considerable future benefits. Key wordsexotic pest, invasion, management, review, Russian wheat aphid. DESCRIPTIONOriginally named Brachycolus noxius, the Russian wheat aphid (now known as Diuraphis noxia) was first recognised as a separate species by Mordvilko in a paper by Kurdjumov (1913). Detailed descriptions of D. noxia have been provided by Blackman and Eastop (1984) and Stoetzel (1987). In brief, D. noxia has an elongated, spindle-shaped body, with the tips of the legs and distal third of the (distinctively short) antennae black. The wings *pumina@unimelb.edu.au

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Section: Managementmentioning

confidence: 97%

Section: Managementmentioning

confidence: 97%

Biology, ecology and management of Diuraphis noxia (Hemiptera: Aphididae) in Australia

et al. 2020

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“…2018; Umina et al . 2019). Pirimicarb, a carbamate insecticide that is highly effective against aphids (Xiao et al .…”

Section: Introductionmentioning

confidence: 99%

Susceptibility of the bird cherry‐oat aphid, Rhopalosiphum padi (Hemiptera: Aphididae), to four insecticides

et al. 2020

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The bird‐cherry oat aphid (Rhopalosiphum padi) is a global pest, attacking most cereal crops including barley, wheat, oats and triticale. The aphids cause yield losses through direct feeding damage and the transmission of plant viruses. In Australia, feeding injury can reduce cereal yields by 6%, with the damage caused by aphid‐vectored viruses reducing the yield of cereal crops by up to 30%. Aphid control in these crops is achieved almost exclusively with insecticides, and there is growing concern surrounding insecticide resistance evolution in multiple aphid species. In this study, nine field populations of R. padi were collected from localities representing the major grain growing regions of Australia. Toxicity data against four insecticides (dimethoate, alpha‐cypermethrin, pirimicarb and imidacloprid) was generated for each aphid population. This revealed little differences in population responses for three of these insecticides. For alpha‐cypermethrin, a widely used insecticide in Australia, there were significant differences between several populations. These data will be important for future monitoring of insecticide responses of R. padi and highlight the impending pest management challenges growers could encounter in Australia.

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“…The relatively rare cases of evolution of insecticide and herbicide resistance by somatic mutations was reviewed . The status of insecticide resistance in Australian grain insects was covered . The molecular mechanisms of rice resistance to rice planthoppers was analyzed …”

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confidence: 99%

“…41 The status of insecticide resistance in Australian grain insects was covered. 42 The molecular mechanisms of rice resistance to rice planthoppers was analyzed. 43 In 2020, we will publish two special issues; one consisting of papers from the 14th IUPAC Congress on Crop Protection held in May, 2019 and the other with papers from two symposia from the 258th Agrochemical Division of the American Chemical Society held in August, 2019.…”

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confidence: 99%

2019 – A year of continued growth

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Pest Management Science

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Escalating insecticide resistance in Australian grain pests: contributing factors, industry trends and management opportunities

Cited by 63 publications

References 72 publications

Biology, ecology and management of Diuraphis noxia (Hemiptera: Aphididae) in Australia

Biology, ecology and management of Diuraphis noxia (Hemiptera: Aphididae) in Australia

Susceptibility of the bird cherry‐oat aphid, Rhopalosiphum padi (Hemiptera: Aphididae), to four insecticides

2019 – A year of continued growth

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