Comparison of dimethoate and methidathion tolerance in four strains ofPhytoseiulus persimilis (Athias-Henriot) (Acarina: Phytoseiidae) in Australia

Goodwin, Stephen B.; Wellham, T. M.

doi:10.1007/bf01193808

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…Until research is undertaken using Australian populations of natural enemies, researchers are left with little option but to infer potential toxicities from international work, using data generated either within the same species or within the same genus. This could be an issue, particularly for predatory mites, where mortality through pesticide contact is known to not only vary within a genus, but also within a species [ 98 ]. For example, direct contact laboratory assays testing the toxicity of abamectin on Phytoseiulus persimilis Athias-Henriot at 11.9 g ai/ha was reported to cause 100% mortality in adult females by Bostanian and Akalach [ 99 ], but Fiedler and Sosnowska [ 100 ] reported mortalities of 12% and 18% for adults exposed to higher rates of 28.3 and 45.3 g ai/ha, respectively.…”

Section: Discussionmentioning

confidence: 99%

Toxicity of Insecticides and Miticides to Natural Enemies in Australian Grains: A Review

Overton¹,

Hoffmann

Reynolds³

et al. 2021

Insects

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Continued prophylactic chemical control to reduce pest populations in Australian grain farming systems has limited the effectiveness of biological control via natural enemies in crops within an integrated pest management (IPM) framework. While a variety of data is available to infer potential non-target effects of chemicals on arthropod natural enemies, much of it may be irrelevant or difficult to access. Here, we synthesise the literature relevant to Australian grain crops and highlight current knowledge gaps for potential future investment. A range of testing methodologies have been utilised, often deviating from standardised International Organization for Biological Control (IOBC) protocols. Consistent with findings from over 30 years ago, research has continued to occur predominantly at laboratory scales and on natural enemy families that are easily reared or commercially available. There is a paucity of data for many generalist predators, in particular for spiders, hoverflies, and rove and carabid beetles. Furthermore, very few studies have tested the effects of seed treatments on natural enemies, presenting a significant gap given the widespread global use of neonicotinoid seed treatments. There is a need to validate results obtained under laboratory conditions at industry-relevant scales and also prioritise testing on several key natural enemy species we have identified, which should assist with the adoption of IPM practices and decrease the reliance on broad-spectrum chemicals.

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Section: Discussionmentioning

confidence: 99%

Toxicity of Insecticides and Miticides to Natural Enemies in Australian Grains: A Review

Overton¹,

Hoffmann

Reynolds³

et al. 2021

Insects

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show abstract

“…Predatory mites such as Phytoseiulus persimilis A.H., are considered to be very effective biological control agents for spider mites in protected crops (M C M URTRY , 1982; H USSEY and S COPES , 1985). Although the side‐effects of single plant protection products on P. persimilis were investigated comprehensively (S AMSØE ‐P ETERSEN , 1983; O OMEN et al., 1991; B LÜMEL and S TOLZ , 1993) and resistance has been reported especially against organophosphorous compounds (S CHULTEN et al., 1976; G OODWIN and W ELLHAM , 1992), information about the possible effects of pesticide mixtures is lacking. The present laboratory study investigates the effect of mixtures of pesticides on the predatory mite P. persimilis .…”

Section: Introductionmentioning

confidence: 99%

Effect of pesticide mixtures on the predatory mite Phytoseiulus persimilis A.H. (Acarina, Phytoseiidae) in the laboratory

Blümel

2001

J Applied Entomology

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The acaricide hexythiazox (Acorit Ò SC 1,2 , 100 g a.i.l ±1 ), the fungicide triadimefon (Bayleton spezial Ò WG 1,2 , 52 g a.i.kg ±1 ) and the insecticide heptenophos (Hostaquick Ò EC 3 , 550 g a.i.l ±1 ), were tested in the laboratory for their side-eects on the predatory mite Phytoseiulus persimilis A.H. The pesticides were either applied separately at a range of concentrations or in admixture to detached bean leaves using a Potter Tower to deposit 2 mg spray solution per cm 2 . No signi®cant dierences in the mean mortality rate of the phytoseiid or in the mean reproduction per female was found between the dierent treatments. Total eect values ranged from 5.4 to 38.7% after separate application of the test products and from 8.9 to 25.5% after treatment with the various pesticide mixtures. Materials and methods Test organismThe prey mite, the two-spotted spider mite Tetranychus urticae Koch and the predatory phytoseiid mite P. persimilis were both obtained from mass-rearing cultures that have JEN 125 (2001)

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Pesticides in IPM: Selectivity, Side-effects, Application and Resistance Problems

Blümel¹,

Matthews²,

Grinstein³

et al. 1999

Integrated Pest and Disease Management in Greenhouse Crops

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Comparison of dimethoate and methidathion tolerance in four strains ofPhytoseiulus persimilis (Athias-Henriot) (Acarina: Phytoseiidae) in Australia

Cited by 3 publications

References 13 publications

Toxicity of Insecticides and Miticides to Natural Enemies in Australian Grains: A Review

Toxicity of Insecticides and Miticides to Natural Enemies in Australian Grains: A Review

Effect of pesticide mixtures on the predatory mite Phytoseiulus persimilis A.H. (Acarina, Phytoseiidae) in the laboratory

Pesticides in IPM: Selectivity, Side-effects, Application and Resistance Problems

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