Effects of sublethal concentration of diazinon, fenitrothion and chlorpyrifos on demographic and some biochemical parameters of predatory bug,<i>Andrallus spinidens</i>Fabricius (Hemiptera: Pentatomidae) in laboratory conditions

Gholamzadeh-Chitgar, M.; Hajizadeh, Jalil; Ghadamyari, Mohammad; Karimi-Malati, Azadeh; Hoda, Hassan

doi:10.1080/09670874.2015.1035772

Cited by 16 publications

(15 citation statements)

References 42 publications

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“…At LC 30 several sublethal effects were observed on the hemipteran Andrallus spinidens Fabricius (Hemiptera: Pentatomidae), such as reduction in fertility and enzyme activity, and alterations in life table parameters. 72 Fernandes et al observed negative effects on reproduction after chlorpyrifos exposition at LC 20 for the predator Orius insidiosus (Say) (Hemiptera: Anthocoridae). 67 Moreover, spinosad reduced the offspring of the predatory bugs, such as Orius laevigatus (Fieber) (Hemiptera: Anthocoridae), 22 Macrolophus pygmaeus (Rambur) (Hemiptera: Miridae) 27,73 and Deraeocoris brevis (Uhler) (Hemiptera: Miridae).…”

Section: Discussionmentioning

confidence: 99%

Does the dose make the poison? Neurotoxic insecticides impair predator orientation and reproduction even at low concentrations

Passos

Ricupero

Gugliuzzo

et al. 2022

Pest Management Science

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BACKGROUND Pesticides can be noxious to non‐target beneficial arthropods and their negative effects have been recently recognized even at low doses. The predator Nesidiocoris tenuis (Reuter) (Hemiptera: Miridae) plays an important role in controlling insect pests in solanaceous crops, but its concurrent herbivory often poses relevant concerns for tomato production. Although insecticide side effects on N. tenuis have been previously studied, little is known on the potential implications of neurotoxic chemicals at low concentrations. We assessed the baseline toxicity of three neurotoxic insecticides (lambda‐cyhalothrin, spinosad and chlorpyrifos) on N. tenuis by topical contact exposure. The behavioral and reproduction capacity of the predator was then investigated upon exposure to three estimated low‐lethal concentrations (LC1, LC10 and LC30). RESULTS Predator survival varied among insecticides and concentrations, with LC30/label rate ratios ranging from 8.45% to 65.40% for spinosad and lambda‐cyhalothrin, respectively. All insecticides reduced the fertility of N. tenuis females at all estimated low‐lethal concentrations. Chlorpyrifos seriously compromised predator orientation towards a host plant even at LC1, while the same effect was observed for lambda‐cyhalothrin and spinosad solely at LC30. Lambda‐cyhalothrin (at all concentrations) and chlorpyrifos (at LC10 and LC30) also affected the time taken by N. tenuis females to make a choice. CONCLUSION The results indicate that all three insecticides can be detrimental to N. tenuis and should be avoided when presence of the predator is desirable. © 2022 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

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Section: Discussionmentioning

confidence: 99%

Does the dose make the poison? Neurotoxic insecticides impair predator orientation and reproduction even at low concentrations

Passos

Ricupero

Gugliuzzo

et al. 2022

Pest Management Science

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“…For example, IMD significantly repressed egg hatching, nymph survival and adult fecundity of the predatory bug, Orius albidipennis (Sabahi et al, 2010; Moscardini et al, 2013). Similarly, sublethal doses of diazinon, fenitrothion, and chlorpyrifos exhibited adverse effects on the biological performance of Andrallus spinidens , which is a predator of rice lepidopterous larvae (Gholamzadeh-Chitgar et al, 2015). Similar to chemical pesticides, other biological agents like entomopathogenic fungi and bacteria also adversely affect the biological performance of parasitoids and predators (Potrich et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

Effect of Sublethal Doses of Imidacloprid on the Biological Performance of Aphid Endoparasitoid Aphidius gifuensis (Hymenoptera: Aphidiidae) and Influence on Its Related Gene Expression

et al. 2018

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The integrated pest management (IPM) strategy was developed and used in combination with pesticides and beneficial biological control agents. To further develop IPM efficiency, it is important to evaluate the side effects of pesticides on biological control agents. Aphidius gifuensis is one of the most important aphid natural enemies and has been successfully used to control Myzys persicae and other aphid species. Imidacloprid (IMD) is a popular pesticide used worldwide and is highly toxic to non-target arthropods. Here, we investigated the short-term sublethal toxicity of IMD in Aphidius gifuensis and its impact on the biological performance and gene expression of this parasitoid. We found that sublethal IMD doses had a significant negative effect on the life history traits of female A. gifuensis, including shortening the lifespan and lowering parasitic capacity. Moreover, exposure to sublethal IMD also adversely affected the response of A. gifuensis to aphid-infested plant volatiles. Based on the transcriptome analysis, we found that the exposure to sublethal IMD doses significantly affected expression of genes involved in the central nervous system, energy metabolism, olfactory, and detoxification system of A. gifuensis. RT-qPCR also revealed that short term expose to sublethal IMD doses significantly induced the gene expression of genes related to the central nervous system (nAChRa7, nAChRa9, TbH, OAR1, NFR, TYR, and DAR1), olfactory system (OR28 and IR8a1), and detoxification system (CYP49p3, CYP6a2, and POD), while it suppressed the expression of genes involved in the central nervous system (nAChRa4 and nAChRb1), olfactory system (Orco1, IR8a2, and GR1), and detoxification system (GST2). Furthermore, exposure to sublethal doses of IMD also significantly increased the activities of CarEs and POD, whereas we observed no influence on the activities of CAT, GST, and SOD. Our results indicate that sublethal IMD doses might adversely affect the biological performance of A. gifuensis by altering gene expression related to the function of olfactory, nervous, energy metabolism, and detoxification systems. Thus, how the use of pesticides directly affect insect population should be considered when used in conjunction with natural pest parasitoids in IPM strategies.

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“…For the studies, we chose fenitrothion (FN), a synthetic insecticide from the group of organophosphates, that despite its toxicity and latest withdrawal from sale by the law in European countries, is commonly used in food storage facilities in many countries worldwide. Moreover, FN is very well-studied for its chemical and physiological properties, as evidenced by numerous studies, including reports about its influence on insects [ 22 , 23 , 24 , 25 ], rodents [ 26 , 27 , 28 ], and humans [ 29 , 30 , 31 ]. Therefore, this pesticide is a good model for the tests of organophosphates’ toxicity.…”

Section: Introductionmentioning

confidence: 99%

Solanum nigrum Fruit Extract Increases Toxicity of Fenitrothion—A Synthetic Insecticide, in the Mealworm Beetle Tenebrio molitor Larvae

Spochacz

Szymczak

Chowański

et al. 2020

Toxins

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Synthetic insecticides are widely used for crop protection both in the fields and in the food stored facilities. Due to their toxicity, and assumptions of Integrated Pest Management, we conducted two independent experiments, where we studied the influence of Solanum nigrum unripe fruit extract on the toxicity of an organophosphorus insecticide fenitrothion. In the first variant of the experiment, Tenebrio molitor larvae were fed with blended fenitrothion (LC50) and the extract in four concentrations (0.01, 0.1, 1 and 10%) in ratio 1:1 for 3 days. In the second variant, a two-day application of fenitrothion (LC40) was preceded by a one-day extract treatment. The first variant did not show any increase in lethality compared to fenitrothion; however, ultrastructure observations exhibited swollen endoplasmic reticulum (ER) membranes in the midgut and nuclear and cellular membranes in the fat body, after application of blended fenitrothion and extract. An increased amount of heterochromatin in the fat body was observed, too. In the second variant, pre-treatment of the extract increased the lethality of larvae, decreased the level of glycogen and lipids in the fat body and disrupted integrity of midgut cellular membranes. S. nigrum extract, applied prior to fenitrothion treatment can be a factor increasing fenitrothion toxicity in T. molitor larvae. Thus, this strategy may lead to decreased emission of synthetic insecticides to the environment.

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Effects of sublethal concentration of diazinon, fenitrothion and chlorpyrifos on demographic and some biochemical parameters of predatory bug,Andrallus spinidensFabricius (Hemiptera: Pentatomidae) in laboratory conditions

Cited by 16 publications

References 42 publications

Does the dose make the poison? Neurotoxic insecticides impair predator orientation and reproduction even at low concentrations

Does the dose make the poison? Neurotoxic insecticides impair predator orientation and reproduction even at low concentrations

Effect of Sublethal Doses of Imidacloprid on the Biological Performance of Aphid Endoparasitoid Aphidius gifuensis (Hymenoptera: Aphidiidae) and Influence on Its Related Gene Expression

Solanum nigrum Fruit Extract Increases Toxicity of Fenitrothion—A Synthetic Insecticide, in the Mealworm Beetle Tenebrio molitor Larvae

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