Insecticidal Activity of Methyl Benzoate Analogs Against Red Imported Fire Ants,<i>Solenopsis invicta</i>(Hymenoptera: Formicidae)

Jian, Chen; Rashid, Tahir; Feng, Guang-Da; Yan, Feng; Zhang, Aijun; Grodowitz, Michael J.

doi:10.1093/jee/toy360

Cited by 24 publications

(19 citation statements)

References 33 publications

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“…Except for AITC, the LD 50 values of 2PEITC and 3MPITC are 2.36 and 2.09 µg/ant respectively, which are greatly lower than many other naturally occurring compounds that have been recently reported on S. invicta, such as 2-tridecanone (LD 50 : 18.51 to 24.67 µg/ant), formic acid (LD 50 : 124.54 to 197.71 µg/ant) [18] and hexyl benzoate (mean LD 50 : 35.99 µg/ant) [30]. These two compounds may be potentially useful for developing control products that exploit the contact toxicity, such as fire ant mound treatment formulations.…”

Section: Discussionmentioning

confidence: 73%

Insecticidal and Enzyme Inhibitory Activities of Isothiocyanates against Red Imported Fire Ants, Solenopsis invicta

Grodowitz

Chen

2020

Biomolecules

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Contact and fumigation toxicity of four isothiocyanates (ITCs), including allyl isothiocyanate (AITC), 3-butenyl isothiocyanate (3BITC), 3-(methylthio) propyl isothiocyanate (3MPITC) and 2-phenylethyl isothiocyanate (2PEITC), were evaluated against the red imported fire ant worker, Solenopsis invicta Buren. 2PEITC and 3MPITC exhibited strong contact toxicity. The median lethal dose (LD50)value of AITC, 2PEITC and 3MPITC were 7.99, 2.36 and 2.09 µg/ant respectively. In addition, AITC and 3MPITC also showed strong fumigation toxicity but not 2PEITC. The median lethal concentration (LC50) values of AITC and 3MPITC were 32.49 and 57.6 µg/L, respectively. In contrast, 3BITC did not exhibit any contact and fumigation toxicity even at 100 μg/μL. Esterase (EST), glutathione S-transferase (GST) and acetylcholinesterase (AChE)-inhibiting activities were assessed for three ITCs in S. invicta workers. All three ITCs inhibited both EST and GST activities but not AChE. The in vitro half maximal inhibitory concentration (IC50)values of AITC, 2PEITC and 3MPITC for GST were 3.32, 0.61 and 0.66 µg/µL, respectively. These results suggested that naturally occurring ITCs might be potentially useful for developing fire ants control products.

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Section: Discussionmentioning

confidence: 73%

Insecticidal and Enzyme Inhibitory Activities of Isothiocyanates against Red Imported Fire Ants, Solenopsis invicta

Grodowitz

Chen

2020

Biomolecules

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“…Benzoic acid methyl ester displayed repellent potential towards insects such as Bemisia tabaci [56]. Chen et al [57] also reported that methyl benzoate has insecticidal properties against pest insects and mites. Save et al [58] reported that 1, 2-benzenedicarboxylic acid, butyl octyl ester, can be used in drug development for arthritis, microbial allergies, and cancer, whereas it can also be used as an antioxidant and antimicrobial agent [59].…”

Section: Gas Chromatography-mass Spectrometry Analysismentioning

confidence: 99%

Mycochemical Screening and Analysis, Antioxidant Activity, and Biochemical Composition of Fermentation Strain Snef1216 (Penicillium chrysogenum)

Sikandar

Zhang

Wang

et al. 2020

Journal of Analytical Methods in Chemistry

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Antioxidants are the radical scavengers that inhibit peroxidation and other free-radical processes, which in return safeguard different organisms from various diseases attributed to radical reactions. Synthetic antioxidants inhibit free radicals, but they also have harmful side effects. However, mycochemicals of natural fungal origin are safe and best substitutes for harmful synthetic chemical antioxidants. The prime objectives of the study include appropriate qualitative and quantitative mycochemical screening, antioxidant potential, and chemical composition of Snef1216 (Penicillium chrysogenum). The study has used aluminium chloride colourimetric method, Folin–Ciocalteu reagent assay, and DPPH (1,1-diphenyl-1-picrylhydrazyl) for analysis of total flavonoid content and phenol content and antioxidant activity, respectively. However, the presence of biologically active compounds was screened through gas chromatography-mass spectrometry (GC-MS). Quantitative analysis demonstrated the existence of flavonoids, glycosides, flavones, saponins, phenols, and catecholic tannins excluding alkaloids, terpenoids, steroids, and gallic tannins. The outcomes exposed total flavonoid content and phenolic content in P. chrysogenum were 85.31 ± 1.23 mg·QE/g and 135.77 ± 1.14 mg·GAE/g, respectively. Snef1216 (P. chrysogenum) displayed the highest free-radical scavenging activity with 63.86% inhibition of DPPH. The analysis confirms that Snef1216 (P. chrysogenum) is an alternative source of natural antioxidants. The obtained data have provided the foundation for its use in agricultural, environmental, and pharmaceutical industries.

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“…aegypti larvae and found that this essential oil had a strong effect on mosquito larvae control. The previous analyses by gas chromatography-mass spectrometry reported that the major compounds of this plant are p -methylanisole, methyl benzoate, benzyl benzoate, benzyl acetate, and geranyl acetate [ 18 ],which have several compounds that are reported to be toxic to insects, especially methyl benzoate [ 25 , 26 ] and geranyl acetate [ 27 ].…”

Section: Resultsmentioning

confidence: 99%

Comparative efficacy of commercial ylang-ylang (Cananga odorata) essential oils from India and Thailand against larval Aedes aegypti (L.) (Diptera: Culicidae)

Chaiphongpachara

Laojun

2020

J Adv Vet Anim Res

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Objective: The objective of this study was to determine the comparative larvicidal efficacy of commercial ylang-ylang (Cananga odorata) essential oils from India and Thailand against the Aedes aegypti mosquito to be used as a guideline for Aedes mosquito control. Materials and Methods: The bioassay for the larvicidal activity of commercial ylang-ylang essential oils in this experiment was modified from the World Health Organization standard protocols. The concentration ranges at 0.025, 0.050, 0.075, 0.100, 0.125, and 0.150 ppm in each treatment were used for testing, and four replicates were used per concentration. The larval mortality was observed and recorded 24- and 48-h after exposure. Results: The results of this study clearly revealed that commercial ylang-ylang essential oils from India and Thailand were highly toxic to the larvae of the dengue vector Ae. aegypti , and Indian ylang-ylang had an LC 50 value of 0.064 ppm, whereas Thai ylang-ylang had an LC 50 value of 0.042 ppm after 24-h exposure. Conclusion: This study revealed the efficacy of commercial Indian and Thai ylang-ylang essential oils as natural vector control for the larval stage of the dengue vector Ae. aegypti . Usually, natural larvicide products are not commonly found in the market due to complex production processes. The results of this research support the use of commercial essential oils to aid in further control of Aedes mosquito larvae populations in the community.

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Insecticidal Activity of Methyl Benzoate Analogs Against Red Imported Fire Ants,Solenopsis invicta(Hymenoptera: Formicidae)

Cited by 24 publications

References 33 publications

Insecticidal and Enzyme Inhibitory Activities of Isothiocyanates against Red Imported Fire Ants, Solenopsis invicta

Insecticidal and Enzyme Inhibitory Activities of Isothiocyanates against Red Imported Fire Ants, Solenopsis invicta

Mycochemical Screening and Analysis, Antioxidant Activity, and Biochemical Composition of Fermentation Strain Snef1216 (Penicillium chrysogenum)

Comparative efficacy of commercial ylang-ylang (Cananga odorata) essential oils from India and Thailand against larval Aedes aegypti (L.) (Diptera: Culicidae)

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