Efficacy of Bifenthrin Treatment Zones Against Red Imported Fire Ant

Pranschke, A.M.; Hooper‐Bùi, Linda M.; Moser, Barry

doi:10.1603/0022-0493-96.1.98

Cited by 13 publications

(5 citation statements)

References 9 publications

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“…Different control strategies require toxicants with different sets of properties. To maximize efÞcacy of baits, the active ingredient should have delayed toxicity and be transferable and nonrepellent (Stringer et al 1964), whereas repellent or fast-acting toxicants are effective barriers (Pranschke et al 2003). The purpose of this study was to evaluate contact insecticides for topical toxicity, knockdown rate, horizontal toxicity, contact toxicity, and barrier effects against the Argentine ant.…”

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confidence: 99%

Activity of Bifenthrin, Chlorfenapyr, Fipronil, and Thiamethoxam Against Argentine Ants (Hymenoptera: Formicidae)

Wiltz

Suiter

Gardner

2009

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Bifenthrin, chlorfenapyr, fipronil, and thiamethoxam were evaluated for activity against the Argentine ant, Linepithema humile (Mayr) (Hymenoptera: Formicidae). Mobility impairment and lethal times were determined after topical treatments. Ants were immobilized most quickly by bifenthrin, followed by chlorfenapyr and thiamethoxam. After 2 h, the number of fipronil-treated ants unable to walk out of test arenas did not differ from control ants. Median lethal time (LT50) after topical treatment was lowest in the bifenthrin treatment, followed by thiamethoxam, chlorfenapyr, and then fipronil. Mortality due to horizontal exposure was evaluated at 10, 20, or 30 degrees C, with topically treated ant corpses serving as donors. There was low to moderate horizontal activity in bifenthrin and chlorfenapyr treatments, with no temperature effect in bifenthrin treatments and a positive temperature effect in chlorfenapyr treatments. Mortality in the fipronil treatments was highest and was positively correlated with temperature. Thiamethoxam treatments did not differ from controls at 10 degrees C, but mortality increased with temperature. To evaluate contact activity, either all of 20% of the ants in a cohort were exposed to insecticide-treated pine needles. In both tests, mortality was highest in fipronil and bifenthrin treatments, followed by thiamethoxam, with lowest mortality in chlorfenapyr treatments. Effectiveness as a barrier was evaluated by providing a choice between bridges treated with insecticide or water. Although bifenthrin did not provide an impenetrable barrier, it was the only treatment having fewer ants than its paired control. Mortality data suggest that lack of recruitment rather than repellency account for this result.

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confidence: 99%

Activity of Bifenthrin, Chlorfenapyr, Fipronil, and Thiamethoxam Against Argentine Ants (Hymenoptera: Formicidae)

Wiltz

Suiter

Gardner

2009

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“…Neoh et al, found after exposed to chlorantraniliprole termitea were likely to cease feeding and undergo starvation, which made the pesticide low efficiency 35 . Because in the management of social insect, repellent or fast-acting toxicant may provide effective barriers 36 . Non-radiolable rubidium (Rb) have been used as a good trace in termites' trophallaxis process [37][38][39] , but had not yet been reported in S.invicta.…”

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confidence: 99%

Insecticidal and P450 mediate mechanism of fluralaner against Red Imported Fire Ant, Solenopsis invicta (Hymenoptera: Formicidae)

Xiong¹,

Ling²,

Liu³

et al. 2020

Preprint

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The increasing consumption of pesticides caused lots of problems, such as resistance, food safety, and various environmental toxicity. Finding an alternative pesticide which is environmentally friendly is urgent and crucial. Fluralaner, a novel isoxazoline insecticide, has been proven to possess selective toxicity for insects versus mammals and have safety to mammals and nontarget organism, suggesting its potential in pest’s management. However, little information is available about its effect on the red imported fire ant (Solenopsis invicta), a worldwide invasive and polyphagous pest, often nest in neighborhood area.The toxicity results showed that the topical application and feeding application was all effective to S.invicta. Moreover, fluralaner can be transmitted among workers by contacting and feeding which lead to toxic reaction among nestmates. By exploring the biochemistry change, we found cytochrome P450 monooxygenase (P450) may be involved in the detoxification of fluralaner but not carboxylesterase (CarE) and glutathione S-transferase (GST). Synergism assays gave a solid evidence in which piperonyl butoxide, an activity inhibitor of P450, increased the toxicity of fluralaner to S. invicta. Importantly, with the qRT-PCR analysis 12 P450 genes of S.invicta were significantly upregulated after fluralaner treatment. Our result indicated that fluralaner could be a potential alternative pesticide in S. invicta control. And the involvement of P450s on metabolism provides basic information for the sustainable use of fluralaner.

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“…Contact insecticides are commonly used in controlling the red imported Þre ants, Solenopsis invicta Buren. Numerous contact insecticides have been tested by broadcast application (Blake et al 1959, Lofgren et al 1961, Reinert 1998, individual mound treatment (Appel and Woody 1990, Reinert andMaranz 1996, Jones et al 1998), and zone treatment (Pranschke et al 2003). In broadcast application and individual mound treatments using contact insecticide, contact between ant and insecticide is required for the treatments to be effective.…”

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Digging Behavior of Solenopsis invicta Workers When Exposed to Contact Insecticides

Chen¹

2006

Journal of Economic Entomology

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Contact between ants and insecticides is a prerequisite for contact insecticides to be effective in the control of red imported fire ants, Solenopsis invicta Buren. Typically, passive contact occurs in the insecticide application process, but ants also may actively contact insecticides by digging in treated soil or walking on a treated soil surface. Laboratory experiments were conducted to determine whether fire ant workers would dig sand treated with contact insecticides in two different scenarios: (1) no-choice bioassays where insecticide-treated sand was the only available digging substrate, and (2) two-choice bioassays where nontoxicant sand was also available for digging. Eight insecticides that are currently registered in the United States for imported fire ant control were tested. They include acephate, bifenthrin, carbaryl, cyfluthrin, deltamethrin, gamma-cyhalothrin, permethrin, and pyrethrin. Workers dug the treated sand for every insecticide tested, even at concentrations up to 10 times of the lowest lethal concentration (LLC) which caused 100% mortality in a toxicity bioassay. However, generally, insecticides significantly reduced the digging effort, even at a concentration that did not cause any significant mortality in the toxicity bioassay.

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Efficacy of Bifenthrin Treatment Zones Against Red Imported Fire Ant

Cited by 13 publications

References 9 publications

Activity of Bifenthrin, Chlorfenapyr, Fipronil, and Thiamethoxam Against Argentine Ants (Hymenoptera: Formicidae)

Activity of Bifenthrin, Chlorfenapyr, Fipronil, and Thiamethoxam Against Argentine Ants (Hymenoptera: Formicidae)

Insecticidal and P450 mediate mechanism of fluralaner against Red Imported Fire Ant, Solenopsis invicta (Hymenoptera: Formicidae)

Digging Behavior of Solenopsis invicta Workers When Exposed to Contact Insecticides

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