Baseline susceptibility of spotted wing Drosophila (<i>Drosophila suzukii</i>) to four key insecticide classes

Timmeren, Steven Van; Mota-Sánchez, David; Wise, John C.; Isaacs, Rufus

doi:10.1002/ps.4702

Cited by 64 publications

(62 citation statements)

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“…Of greater concern is development of insecticide resistance in this species. A reduction in sensitivity to a spinosyn class insecticide has already been reported (Gress & Zalom, ; Van Timmeren, Mota‐Sanchez, Wise, & Isaacs, ). Several National Organic Program (NOP)—compliant insecticides have recently been evaluated in a series of laboratory and semi‐field experiments (Fanning, Grieshop, & Isaacs, ; Guédot & Perry, ; Iglesias & Liburd, ; Van Timmeren & Isaacs, ; Wise, VanWoerkom, & Isaacs, ).…”

Section: Introductionmentioning

confidence: 64%

“…plus an untreated control with and without PEPMS in six replicates. Treatments were sprayed directly onto CO 2 ‐anaesthetized D. suzukii adults in Petri dishes (100 × 15 mm, Fisher Scientific Company LLC) using a Potter Spray Tower (Burkard Scientific, Uxbridge, UK) set at 103.4 kPa with 2 ml of spray solution applied to each replicate (Van Timmeren et al, ). All solutions were prepared using deionized water.…”

Section: Methodsmentioning

confidence: 99%

“…This bioassay consisted of six pesticide treatments (azadirachtin + pyrethrins, spinosad, C. subtsugae , hydrogen peroxide + PAA, Burkholderia spp., and sabadilla alkaloids) plus an untreated control with and without PEPMS in four replicates. Treatments were sprayed onto plastic Petri dishes using a Potter Spray Tower (Burkard Scientific, Uxbridge, UK) set at 103.4 kPa with 2 ml of spray solution applied to each replicate (Van Timmeren et al, ). All solutions were prepared using deionized water.…”

Section: Methodsmentioning

confidence: 99%

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Evaluation of adjuvants to improve control of spotted‐wing drosophila in organic fruit production

Roubos

Gautam

Fanning

et al. 2019

J Applied Entomology

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Spotted‐wing drosophila, Drosophila suzukii (Matsumura), is a key pest of berry crops in the United States. It is managed intensively using insecticides, but organic fruit growers have few effective chemical control options. Spinosad is the most effective organically approved product for control of D. suzukii, while other organic options have not shown high levels of control. Adjuvants are products added to pesticides to improve effectiveness, and these may function as stickers, spreaders or surfactants improving the spray coverage of insecticides on surfaces and thereby increasing the likelihood that pests will contact residues. We conducted experiments evaluating organically approved biopesticides in combination with three adjuvants including poly‐1‐p‐menthene, alcohol ethoxylate and polyether‐polymethylsiloxane‐copolymer polyether to determine whether addition of adjuvants improved efficacy and residual activity of these products. Alcohol ethoxylate and poly‐1‐p‐menthene showed some inherent insecticidal activity against D. suzukii in laboratory assays. Adjuvants increased mortality of some insecticides but not to a level that would provide adequate fruit protection. Poly‐1‐p‐menthene had a negative effect when combined with hydrogen peroxide + PAA and sabadilla alkaloids. Mortality in semi‐field bioassays was quite low except for spinosad. Polyether‐polymethylsiloxane‐copolymer polyether had a negative effect on the efficacy of spinosad. The adjuvants did not extend residual activity of the insecticides. Adjuvants did not provide the expected benefits of increased performance against D. suzukii when combined with organic biopesticides. Other methods for enhancing these insecticides will need to be explored to provide organic growers with more effective chemical control options for this invasive pest.

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Section: Introductionmentioning

confidence: 64%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Evaluation of adjuvants to improve control of spotted‐wing drosophila in organic fruit production

Roubos

Gautam

Fanning

et al. 2019

J Applied Entomology

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“…such as the ‘push‐pull’ technique . Post‐infestation measures often involve the use of insecticides . However, the literature exhibits two main research gaps.…”

Section: Introductionmentioning

confidence: 99%

Management strategies against Drosophila suzukii: insights into Swiss grape growers choices

Knapp

Mazzi

Finger

2019

Pest Management Science

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Background In 2017, we investigated measures adopted by Swiss grape growers in response to Drosophila suzukii by conducting a survey presenting information obtained from 372 growers on 1708 vineyards. Results We found the strategies adopted to be heterogeneous and largely dependent on grape variety (table vs. wine grapes). We identified six clusters of control methods to combat D. suzukii, the most important of which involves using a combination of control methods such as insecticides, mass trapping and sanitation measures, especially pinching of foliage or mowing and mulching. Grape growers in our sample rely primarily on information from public institutions or other growers and the majority plan to continue taking sanitation measures to combat D. suzukii. Conclusion Our results suggest that strategies adopted in Switzerland differ widely, not only between growers, but also at a vineyard and regional level. Thus, policies and extension services should be targeted (e.g. to varieties and regions) and tailored to types of growers. We find that preventive measures are important when combatting D. suzukii and can reduce post‐infestation measures such as pesticide usage. In our sample, biological insecticides, such as kaolin, played a vital role in the control of D. suzukii and merit further support. © 2019 Society of Chemical Industry

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“…Moreover, mature females can lay in excess of 25 eggs per day . Such short generation times and high reproductive rates not only lead to high pest pressure, resulting in greater economic damage, but could result in the development of insecticide resistance . Although effective neonicotinoid, pyrethroid, spinosyn and organophosphate chemical controls are currently available for SWD management, resistance to the latter three chemical classes has been observed in D. melanogaster , engendering uncertainty regarding their future efficacy .…”

Section: Introductionmentioning

confidence: 99%

Potential of the European earwig (Forficula auricularia) as a biocontrol agent of the soft and stone fruit pest Drosophila suzukii

Bourne

Fountain

Wijnen

et al. 2019

Pest Management Science

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BACKGROUND The unintentional introduction of Drosophila suzukii (Matsumura) from Asia has caused global economic losses in the soft and stone fruit industries. Pesticide use can have unintended negative impacts on natural enemies, disrupting attempts to incorporate integrated pest management programmes. Generalist predators could potentially act as biocontrol agents of D. suzukii. In this context, the predatory capabilities of the European earwig (Forficula auricularia) were investigated. RESULTS In semi‐field conditions, F. auricularia were effective at reducing the reproductive rate of D. suzukii in more densely populated enclosures. In controlled laboratory conditions, significant negative effects of earwigs were observed for both low (three breeding pairs) and high (six breeding pairs) D. suzukii densities. Both semi‐field and laboratory experiments revealed that F. auricularia predation on adult D. suzukii could not account for the subsequent reductions in population density. CONCLUSIONS Reductions in both larval and adult offspring in the presence of earwigs indicate an impact on D. suzukii via predation prior to metamorphosis or disruption of oviposition. Although F. auricularia may predate D. suzukii populations, its capacity to act as a biocontrol agent may be limited. However, results suggest that F. auricularia may be a more effective biocontrol agent earlier in the growing season. © 2019 Society of Chemical Industry

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Baseline susceptibility of spotted wing Drosophila (Drosophila suzukii) to four key insecticide classes

Cited by 64 publications

References 50 publications

Evaluation of adjuvants to improve control of spotted‐wing drosophila in organic fruit production

Evaluation of adjuvants to improve control of spotted‐wing drosophila in organic fruit production

Management strategies against Drosophila suzukii: insights into Swiss grape growers choices

Potential of the European earwig (Forficula auricularia) as a biocontrol agent of the soft and stone fruit pest Drosophila suzukii

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