Impact of sublethal and low lethal concentrations of flonicamid on key biological traits and population growth associated genes in melon aphid, Aphis gossypii Glover

Shi, Dandan; Luo, Chen; Lv, Haixiang; Zhang, Liang; Desneux, Nicolas; You, Hong; Li, Jianhong; Ullah, Farman; Ma, Kangsheng

doi:10.1016/j.cropro.2021.105863

Cited by 15 publications

(8 citation statements)

References 55 publications

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“…Likewise, reduced fecundity and longevity were observed in different insects following exposure to the sublethal concentrations of insecticides [ 44 , 45 , 46 ]. Our findings align with previous studies indicating a significant reduction in the fecundity of A. gosspyii when exposed to sublethal and low-lethal concentrations of flonicamid [ 47 ]. Flupyradifurone sublethal concentrations exposed to M. persicae were reported to reduce longevity and reproductive capabilities [ 48 ].…”

Section: Discussionsupporting

confidence: 93%

“…Additionally, the LC 25 treatment resulted in a notable reduction in the longevity and fecundity of these aphids when compared to the untreated group [ 20 ]. After being exposed to sublethal concentrations of insecticide, the developmental duration of the 1st-instar aphid, A. gosspyii was shown to be significantly increased [ 47 ]. However, the pre-adult stage of R. padi (F 1 ) was significantly decreased in the offspring aphid (F 1 ) compared to the control group.…”

Section: Discussionmentioning

confidence: 99%

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Thiamethoxam-Induced Intergenerational Sublethal Effects on the Life History and Feeding Behavior of Rhopalosiphum padi

Gul,

Haq,

Güncan

et al. 2024

Plants

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Thiamethoxam, a second-generation neonicotinoid insecticide is widely used for controlling sap-sucking insect pests including Rhopalosiphum padi. The current study aimed to investigate the life-history parameters and feeding behavior of R. padi following treatments with sublethal concentrations of thiamethoxam. The lethal concentration 50 (LC50) value of thiamethoxam against adult R. padi was 11.458 mg L−1 after 48 h exposure. The sublethal concentrations of thiamethoxam (LC5 and LC10) significantly decreased the adult longevity, fecundity, and reproductive days in the directly exposed aphids (F0 generation). In the progeny R. padi (F1), the developmental durations and total prereproductive period (TPRP) were decreased while the adult longevity, fecundity, and reproductive days (RPd) were increased at both thiamethoxam concentrations. The demographic parameters including the net reproductive rate (R0), intrinsic rate of increase (r), and finite rate of increase (λ) were prolonged only at the LC5 of thiamethoxam. The EPG results indicated that the sublethal concentrations of thiamethoxam increases the total duration of non-probing (Np) while reducing the total duration of E2 in directly exposed aphids (F0). Interestingly, the E2 were significantly increased in the progeny generation (F1) descending from previously exposed parental aphids (F0). Overall, this study showed that thiamethoxam exhibited high toxicity against directly exposed individuals (F0), while inducing intergenerational hormetic effects on the progeny generation (F1) of R. padi. These findings provided crucial details about thiamethoxam-induced hormetic effects that might be useful in managing resurgences of this key pest.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Thiamethoxam-Induced Intergenerational Sublethal Effects on the Life History and Feeding Behavior of Rhopalosiphum padi

Gul,

Haq,

Güncan

et al. 2024

Plants

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“…In the current study, the evaluation of transgenerational effects in the filial F 1 cohort of B. brassicae , imitated that the exposure to LC 5 and LC 15 of spirotetramat in the parent generation (F 0 ) inclined the F 1 generation population growth, particularly through an amplified preadult developmental length and total pre-reproductive period (TPRP). Comparable outcomes originated in A. gossypii when treated with methyl benzoate, thiamethoxam, and flonicamid ( Mostafiz et al, 2020 ; Ullah et al, 2020 ; Shi et al, 2022 ). In previous studies, sublethal effects of thiamethoxam insecticides have also been reported on the population development of Bradysia odorriphaga ( Zhang et al, 2014 ) and Hippodamia variegate ( Rahmani and Bandani, 2013 ).…”

Section: Discussionmentioning

confidence: 99%

Assessment of sublethal and transgenerational effects of spirotetramat, on population growth of cabbage aphid, Brevicoryne brassicae L. (Hemiptera: Aphididae)

et al. 2022

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The cabbage aphid (Brevicoryne brassicae L.) is a devastating pest of cruciferous crops causing economic damage worldwide and notably owing to its increasing resistance to commonly used pesticides. Such resistance prompts the development of integrated pest management (IPM) programs that include novel pesticides being effective against the aphids. Spirotetramat is a novel insecticide used against sap-sucking insect pests, particularly aphids. This study evaluated the toxicity of spirotetramat to adult apterous B. brassicae after 72 h using the leaf dipping method. According to the toxicity bioassay results, the LC50 value of spirotetramat to B. brassicae was 1.304 mgL−1. However, the sublethal concentrations (LC5 and LC15) and transgenerational effects of this novel insecticide on population growth parameters were estimated using the age-stage, two-sex life table theory method. The sublethal concentrations (LC5; 0.125 mgL−1 and LC15; 0.298 mgL−1) of spirotetramat reduced the adult longevity and fecundity of the parent generation (F0). These concentrations prolonged the preadult developmental duration while decreasing preadult survival, adult longevity and reproduction of the F1 generation. The adult pre-reproductive period was also extended by spirotetramat treatment groups. Subsequently, the population growth parameters such as the intrinsic rate of increase r, finite rate of increase λ and net reproductive rate R0 of the F1 generation were decreased in spirotetramat treatment groups whereas, the mean generation time T of the F1 generation was not affected when compared to the control. These results indicated the negative effect of sublethal concentrations of spirotetramat on the performance of B. brassicae by reducing its nymphal survival, extending the duration of some immature stages and suppressing the population growth of B. brassicae. Overall, we demonstrated that spirotetramat is a pesticide showing both sublethal activities, and transgenerational effects on cabbage aphid; it may be useful for implementation in IPM programs against this aphid pest.

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“…This compound is currently available globally under a variety of trade names, with markets in over forty countries across the Americas, Europe, Asia, and Africa. Furthermore, flonicamid effectively controls hemipterous insects, with notable success against Aphis gossypii Glover, as documented by [30], Myzus persicae, according to [31], and the plant hopper Nilaparvata lugens, as reported by [27].…”

Section: Introductionmentioning

confidence: 93%

The Synergistic Effect of Lemongrass Essential Oil and Flometoquin, Flonicamid, and Sulfoxaflor on Bemisia tabaci (Genn.) (Hemiptera: Aleyrodidae): Insights into Toxicity, Biochemical Impact, and Molecular Docking

Moustafa,

Ahmed,

Alfuhaid

et al. 2024

Insects

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The whitefly, Bemisia tabaci (Genn.), is one of the most dangerous polyphagous pests in the world. Eco-friendly compounds and new chemical insecticides have gained recognition for whitefly control. In this study, the toxicity and biochemical impact of flometoquin, flonicamid, and sulfoxaflor, alone or combined with lemongrass essential oil (EO), against B. tabaci was studied. In addition, a molecular docking study was conducted to assess the binding affinity of the tested compounds to AchE. Based on the LC values, the descending order of the toxicity of the tested compounds to B. tabaci adults was as follows: sulfoxaflor > flonicamid > flometoquin > lemongrass EO. The binary mixtures of each of the tested compounds with lemongrass EO exhibited synergism in all combinations, with observed mortalities ranging from 15.09 to 22.94% higher than expected for an additive effect. Sulfoxaflor and flonicamid, alone or in combination with lemongrass EO, significantly inhibited AchE activity while only flonicamid demonstrated a significant impact on α-esterase, and none of the tested compounds affected cytochrome P450 or GST. However, the specific activity of P450 was significantly inhibited by the lemongrass/sulfoxaflor mixture while α-esterase activity was significantly inhibited by the lemongrass/flometoquin mixture. Moreover, the lemongrass EO and all the tested insecticides exhibited significant binding affinity to AchE with energy scores ranging from −4.69 to −7.06 kcal/mol. The current findings provide a foundation for utilizing combinations of essential oils and insecticides in the integrated pest management (IPM) of B. tabaci.

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Impact of sublethal and low lethal concentrations of flonicamid on key biological traits and population growth associated genes in melon aphid, Aphis gossypii Glover

Cited by 15 publications

References 55 publications

Thiamethoxam-Induced Intergenerational Sublethal Effects on the Life History and Feeding Behavior of Rhopalosiphum padi

Thiamethoxam-Induced Intergenerational Sublethal Effects on the Life History and Feeding Behavior of Rhopalosiphum padi

Assessment of sublethal and transgenerational effects of spirotetramat, on population growth of cabbage aphid, Brevicoryne brassicae L. (Hemiptera: Aphididae)

The Synergistic Effect of Lemongrass Essential Oil and Flometoquin, Flonicamid, and Sulfoxaflor on Bemisia tabaci (Genn.) (Hemiptera: Aleyrodidae): Insights into Toxicity, Biochemical Impact, and Molecular Docking

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