2013
DOI: 10.1603/ec13116
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Cotton Aphid (Heteroptera: Aphididae) Susceptibility to Commercial and Experimental Insecticides in the Southern United States

Abstract: Cotton aphid, Aphis gossypii Glover, has a history of developing resistance to novel insecticides. A program is needed to monitor cotton aphid susceptibility to new insecticides. Concentration-mortality bioassays were conducted from 2008 to 2011 to monitor the susceptibility of cotton aphids from fields across the midsouthern United States to thiamethoxam and sulfoxaflor. Flonicamid was included in 2010 and 2011. Bioassays followed the procedures described by the Insecticide Resistance Action Committee for tes… Show more

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Cited by 56 publications
(31 citation statements)
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“…Its host plants, which include curcubits, cotton and solanaceous crops, are often intensively treated with neonicotinoids and resistance to these products, although only confirmed relatively recently, now appears to be geographically widespread. Systematic monitoring of aphids on cotton in Australia and the USA has documented a temporal decline in sensitivity related to increased reliance on neonicotinoids as seed treatments and foliar sprays [42,43]. Discriminating concentration assays complemented by full dose-response testing of insects from Australian cotton showed a gradual change from 2006-7 to 2008-9, with resistance factors in the latter season peaking at 6.4-fold for acetamiprid, 22-fold for thiamethoxam and 6-fold for clothianidin, respectively [43].…”
Section: Aphis Gossypiimentioning
confidence: 99%
See 1 more Smart Citation
“…Its host plants, which include curcubits, cotton and solanaceous crops, are often intensively treated with neonicotinoids and resistance to these products, although only confirmed relatively recently, now appears to be geographically widespread. Systematic monitoring of aphids on cotton in Australia and the USA has documented a temporal decline in sensitivity related to increased reliance on neonicotinoids as seed treatments and foliar sprays [42,43]. Discriminating concentration assays complemented by full dose-response testing of insects from Australian cotton showed a gradual change from 2006-7 to 2008-9, with resistance factors in the latter season peaking at 6.4-fold for acetamiprid, 22-fold for thiamethoxam and 6-fold for clothianidin, respectively [43].…”
Section: Aphis Gossypiimentioning
confidence: 99%
“…Monitoring of A. gossypii between 2008 and 2011 from cotton-growing regions of the southern USA that were reporting diminished efficacy of neonicotinoids showed a 48-fold range of LC50 values for thiamethoxam across the four years, with resistance tending to be higher for fields that had received at least one foliar application of a neonicotinoid insecticide [42]. Interestingly, resistance factors were much higher after 48h exposure in a leaf-dip bioassay than after 72h, although the broad association between resistance and field treatment history was evident at both endpoints.…”
Section: Aphis Gossypiimentioning
confidence: 99%
“…Some 57 and 65% of the populations monitored in 2015 showed resistance to the seed coated with neonicotinoids, with RR up to 55 and 39 for imidacloprid and thiamethoxam, respectively (Huseth et al 2016). Resistance to thiamethoxam by the cotton aphid Aphis gossypii (Glover) has reached RRs between 29 and 526 in the USA (Gore et al 2013), while in China, this pest shows a more moderate level of resistance to imidacloprid (RR of 42) and lesser values than for all other neonicotinoids (Shi et al 2011).…”
Section: Annual Cropsmentioning
confidence: 99%
“…Synthetic chemical insecticides are the most common current control methods for cotton aphids [4,5]. However, cotton aphids have developed resistance to many pesticides, due to frequent use [6][7][8]. In addition, the side effects of synthetic pesticide use include environmental hazards, residue problems, and negative impacts on natural enemies, reiterating the importance of finding alternative control methods.…”
Section: Introductionmentioning
confidence: 99%