Acute lethal and sublethal effects of four insecticides on the lacewing (Chrysoperla sinica Tjeder)

Shan, Yinxue; Zhu, Yan; Li, Jingjing; Wang, Nian-Meng; Yu, Qi‐Tong; Xue, Chao‐Bin

doi:10.1016/j.chemosphere.2020.126321

Cited by 28 publications

(17 citation statements)

References 38 publications

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“…Some insecticides affect insect behavior, including probing, feeding, and oviposition [12], and prolong growth and development [36,37]. In our study, we found that exposure to acetamiprid and dinotefuran significantly prolonged the APOP and TPOP of C. pallens, which was consistent with a report stating that thiamethoxam treatment negatively affected the APOP and TPOP of Hippodamia variegata [38].…”

Section: Discussionsupporting

confidence: 92%

Evaluation of the Toxicity and Sublethal Effects of Acetamiprid and Dinotefuran on the Predator Chrysopa pallens (Rambur) (Neuroptera: Chrysopidae)

Ren

et al. 2022

Toxics

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Neonicotinoid insecticides affect the physiology or behavior of insects, posing risks to non-target organisms. In this study, the effects of sublethal doses of two neonicotinoid insecticides, acetamiprid and dinotefuran, against Chrysopa pallens (Rambur) (Neuroptera: Chrysopidae) were determined and compared. The results showed that acetamiprid and dinotefuran at LD10 (8.18 ng a.i. per insect and 9.36 ng a.i. per insect, respectively) and LD30 (16.84 ng a.i. per insect and 15.01 ng a.i. per insect, respectively) significantly prolonged the larval stages and pupal stages (except acetamiprid LD10), compared to control. In addition, acetamiprid and dinotefuran at LD30 significantly prolonged the adult preoviposition period (APOP) and total preoviposition period (TPOP). In contrast, the two insecticides at LD10 and LD30 had no significant effect on the longevity, fecundity, reproductive days, preadult survival rate (%), intrinsic rate of increase (r), net reproductive rate (R0), and finite rate of increase (λ). These results provide a theoretical basis for the rational use of these two insecticides and the utilization and protection of C. pallens.

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Section: Discussionsupporting

confidence: 92%

Evaluation of the Toxicity and Sublethal Effects of Acetamiprid and Dinotefuran on the Predator Chrysopa pallens (Rambur) (Neuroptera: Chrysopidae)

Ren

et al. 2022

Toxics

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“…34 In Chrysoperla sinica larva, EMB exposure reduced the activities of CAT and SOD. 35 Consistent with the findings of previous studies, our results showed that EMB exposure increased the levels of H 2 O 2 and MDA, and decreased the activities of CAT, SOD, and GPx in the midgut of gypsy moths. In addition, the expression of antioxidant enzymes also decreased after EMB exposure.…”

Section: Discussionsupporting

confidence: 93%

“…showed that EMB exposure enhanced the H 2 O 2 content and reduced the mRNA levels of antioxidant enzymes in the oriental fruit moth 34 . In Chrysoperla sinica larva, EMB exposure reduced the activities of CAT and SOD 35 . Consistent with the findings of previous studies, our results showed that EMB exposure increased the levels of H 2 O 2 and MDA, and decreased the activities of CAT, SOD, and GPx in the midgut of gypsy moths.…”

Section: Discussionsupporting

confidence: 92%

Transcriptome analysis of emamectin benzoate caused midgut damage by inducing oxidative stress, energy metabolism disorder and apoptosis in gypsy moth (Lymantria dispar)

Bai

et al. 2022

Pest Management Science

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BACKGROUND Emamectin benzoate (EMB) is a semisynthetic bioinsecticide, which has been widely used in the control of forestry and agricultural pests. However, the mechanism of its toxic effects on the non‐neural tissues has been rarely reported. Here, we explored the mechanism of the midgut damage induced by EMB in gypsy moth (Lymantria dispar) in order to better understand the toxicological mechanism of EMB. RESULTS Our results confirmed that EMB caused damage to the midgut of gypsy moth by inducing apoptosis. Transcriptome showed that 1469, 650 and 950 genes were significantly differentially expressed in the midgut of gypsy moth after 24, 48 and 72 h of EMB exposure, and oxidative stress, energy metabolism disorder and apoptosis may be related to the toxic effects of EMB. The indicators related to oxidative stress, energy metabolism and apoptosis were further examined. The results showed that EMB could cause oxidative stress by increasing ROS level and inhibiting antioxidant enzymes (P < 0.05), such as catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GPx), which in turn causes mitochondria injury. Subsequently, energy metabolism was inhibited by downregulating the activities and mRNA level of energy metabolism enzymes. Furthermore, the mitochondrial apoptosis pathway was activated, triggering apoptosis, and eventually causing midgut injury in gypsy moth. CONCLUSION Our results indicated that EMB caused damage to midgut by inducing oxidative stress, energy metabolism disorder and apoptosis in gypsy moth. Our findings shed new light on the toxicological mechanism of EMB on non‐neural tissues from oxidative stress, energy metabolism and apoptosis perspectives. © 2022 Society of Chemical Industry.

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“…The toxicity of pesticides can be impacted and may not directly kill target and non-target insects because of volatilization, degradation, or other effects [16]. However, this toxicity of pesticides may also cause negative sublethal effects on insects [17]. The sublethal effects can be defined as physiological, biological, behavioral and/or demographic effects on individuals that survive an exposure to a pesticide at low lethal or sublethal concentration or dose [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Sublethal Effects of Emamectin Benzoate on Fall Armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae)

Liu

Tan

et al. 2022

Agriculture

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Fall armyworm (FAW), Spodoptera frugiperda (Lepidoptera: Noctuidae), is a highly invasive polyphagous pest that causes great economic losses to agricultural production. Emamectin benzoate (EMB) is one of the most popular biopesticides with high antipest, anti-parasitic and anti-nematode activities and low toxicity. The present study was conducted to determine the lethality of EMB to FAW for 24 h. Sublethal effects of EMB on FAW parental and offspring generations were also assessed. LC10, LC20 and LC50 EMB for 24 h on FAW third instar larvae were 0.0127 mg/L, 0.0589 mg/L, and 0.1062 mg/L, respectively. A low dose of sublethal concentrations of EMB could significantly influence the life cycle of FAW parental and offspring generations. Sublethal concentration (LC20) of EMB significantly prolonged the pupal period of male and increased the pupal weight of male but not of female, and significantly delayed the oviposition period and longevity of adult FAW. In the FAW offspring generation, sublethal concentrations significantly increased the mortality of offspring pupae and pre-adults, and reduced the development time of offspring larvae and pre-adult male and female. Sublethal concentrations (LC10 and LC20) of EMB significantly decreased the FAW oviposition period. However, only LC10 significantly reduced FAW F1 female fecundity. No significant difference was found in the intrinsic rates of natural increase (rm), finite rate of population increase (λ), and net reproductive rate (R0) of FAW offspring exposed to sublethal concentrations. This is the first study to determine the sublethal concentrations of EMB on the life table parameters of two FAW generations. These findings can provide important implications for the rational utilization of FAW insecticides.

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Acute lethal and sublethal effects of four insecticides on the lacewing (Chrysoperla sinica Tjeder)

Cited by 28 publications

References 38 publications

Evaluation of the Toxicity and Sublethal Effects of Acetamiprid and Dinotefuran on the Predator Chrysopa pallens (Rambur) (Neuroptera: Chrysopidae)

Evaluation of the Toxicity and Sublethal Effects of Acetamiprid and Dinotefuran on the Predator Chrysopa pallens (Rambur) (Neuroptera: Chrysopidae)

Transcriptome analysis of emamectin benzoate caused midgut damage by inducing oxidative stress, energy metabolism disorder and apoptosis in gypsy moth (Lymantria dispar)

Sublethal Effects of Emamectin Benzoate on Fall Armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae)

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