Laboratory and Field Evaluations of Polyacrylamide Hydrogel Baits Against Argentine Ants (Hymenoptera: Formicidae)

Rust, Michael Κ.; Soeprono, Andrew M.; Wright, SaraJean; Greenberg, Les; Choe, Dong–Hwan; Boser, Christina L.; Cory, Coleen; Hanna, Cause

doi:10.1093/jee/tov044

Cited by 35 publications

(65 citation statements)

References 14 publications

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“…Hydrogels containing 750 ppb thiamethoxam killed 50% of the forager ants in 3 days, while baiting with 1500 and 750 ppb provided 100% mortality of workers and queens within 8 days in the laboratory trials. These concentrations were lower than the ones required to control ants in highly infected areas as reported by Rust et al (2015). At sublethal levels, imidacloprid may have different effects in red imported fire ants (Solenopis invicta) depending on the concentrations used; for example, concentrations of this insecticide in sugar water at 0.01 ng/L are attractive to the ants and increase their digging activity, whereas concentrations higher than 0.25 ng/L suppress their water consumption, digging and foraging behaviors (Wang et al 2015e).…”

Section: Effects On Target Pestsmentioning

confidence: 59%

An update of the Worldwide Integrated Assessment (WIA) on systemic insecticides. Part 2: impacts on organisms and ecosystems

Pisa

Goulson

Yang

et al. 2017

Environ Sci Pollut Res

202

144

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New information on the lethal and sublethal effects of neonicotinoids and fipronil on organisms is presented in this review, complementing the previous Worldwide Integrated Assessment (WIA) in 2015. The high toxicity of these systemic insecticides to invertebrates has been confirmed and expanded to include more species and compounds. Most of the recent research has focused on bees and the sublethal and ecological impacts these insecticides have on pollinators. Toxic effects on other invertebrate taxa also covered predatory and parasitoid natural enemies and aquatic arthropods. Little new information has been gathered on soil organisms. The impact on marine and coastal ecosystems is still largely uncharted. The chronic lethality of neonicotinoids to insects and crustaceans, and the strengthened evidence that these chemicals also impair the immune system and reproduction, highlights the dangers of this particular insecticidal class (neonicotinoids and fipronil), with the potential to greatly decrease populations of arthropods in both terrestrial and aquatic environments. Sublethal effects on fish, reptiles, frogs, birds, and mammals are also reported, showing a better understanding of the mechanisms of toxicity of these insecticides in vertebrates and their deleterious impacts on growth, reproduction, and neurobehaviour of most of the species tested. This review concludes with a summary of impacts on the ecosystem services and functioning, particularly on pollination, soil biota, and aquatic invertebrate communities, thus reinforcing the previous WIA conclusions .

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Section: Effects On Target Pestsmentioning

confidence: 59%

An update of the Worldwide Integrated Assessment (WIA) on systemic insecticides. Part 2: impacts on organisms and ecosystems

Pisa

Goulson

Yang

et al. 2017

Environ Sci Pollut Res

202

144

View full text Add to dashboard Cite

show abstract

“…About 21% of worker mortality was recorded in the control by day 14. However, the current control mortality was considered comparable with other similar laboratory studies in which 33% control mortality by day 8 post treatment or 8–10% control mortality by day 7 post treatment were recorded.…”

Section: Resultsmentioning

confidence: 78%

“…However, there are several factors that may prevent the liquid baits from being widely adopted for ant management. For example, liquid baiting requires bait stations to contain and dispense the toxicant, but the installation and maintenance of bait stations (inspection, cleaning, refilling, etc.) can be cost prohibitive .…”

Section: Introductionmentioning

confidence: 99%

“…For example, liquid baiting requires bait stations to contain and dispense the toxicant, but the installation and maintenance of bait stations (inspection, cleaning, refilling, etc.) can be cost prohibitive . The installation and maintenance of many bait stations over a large area are often necessary to achieve an acceptable level of ant control in the field .…”

Section: Introductionmentioning

confidence: 99%

“…The use of hydrogel matrices makes it possible to apply liquid baits directly on the ground where ants are foraging. The highly absorbent hydrogel matrices act as a controlled‐release vehicle as they keep the liquid bait palatable for an extended period by retaining water . Polyacrylamide hydrogel, however, slowly degrades into its monomer, acrylamide, upon exposure to a temperature of 35 °C .…”

Section: Introductionmentioning

confidence: 99%

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Development of an alginate hydrogel to deliver aqueous bait for pest ant management

Tay

Hoddle

Mulchandani

et al. 2017

Pest Management Science

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Trap–treat–release: horizontal transfer of fipronil in field colonies of black carpenter ants, Camponotus pennsylvanicus

Buczkowski

2019

Pest Management Science

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BACKGROUND: Horizontal insecticide transfer is thought to play an important role in controlling a wide range of urban pests including ants, bed bugs, cockroaches, and termites. Despite decades of research and numerous laboratory studies, horizontal transfer has never been demonstrated in the field. As a result, the importance of horizontal transfer (and the resulting secondary kill) for practical pest management remains unknown. The goal of this study was to provide the first experimental examination of horizontal transfer under field conditions. The specific objective was to investigate horizontal transfer of fipronil in field colonies of black carpenter ants, Camponotus pennsylvanicus. RESULTS: Laboratory experiments demonstrated that fipronil is effectively transferred from treated donors to untreated recipients and causes significant secondary mortality. Fipronil was effectively vectored to untreated ants from donors exposed via residual and direct spray applications, and 100% mortality was achieved with both exposure routes. Furthermore, horizontal transfer continued beyond secondary mortality and resulted in significant tertiary mortality, which has not been previously demonstrated in ants. Field experiments utilized a novel, three-step control method consisting of trap-treat-release and demonstrated that fipronil is effectively transferred when foraging workers are trapped, treated, and subsequently released back into their colonies. CONCLUSION:The current study is the first field demonstration of the importance of horizontal transfer for the control of pest ants. The trap-treat-release method may be an effective alternative to broadcast spray applications and could help alleviate problems such as insecticide run-off, environmental contamination, and non-target effects. This method has the potential to provide effective management of invasive and pest ants and should be further tested across a wider range of ant species, habitats, and active ingredients.

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Laboratory and Field Evaluations of Polyacrylamide Hydrogel Baits Against Argentine Ants (Hymenoptera: Formicidae)

Cited by 35 publications

References 14 publications

An update of the Worldwide Integrated Assessment (WIA) on systemic insecticides. Part 2: impacts on organisms and ecosystems

An update of the Worldwide Integrated Assessment (WIA) on systemic insecticides. Part 2: impacts on organisms and ecosystems

Development of an alginate hydrogel to deliver aqueous bait for pest ant management

Trap–treat–release: horizontal transfer of fipronil in field colonies of black carpenter ants, Camponotus pennsylvanicus

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