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5.22 Thiamethoxam Toxicology

Di: Ava

Our finding reveals that thiamethoxam exerts sublethal effects on larvae, significantly impairing the fitness of reproductive bees. Specifically, exposure altered juvenile hormone III, ecdysone titer, and acetylcholinesterase activity in reproductive larvae, with these effects showing a negative correlation with pesticide concentration.

Toxicity of Thiamethoxam and Imidacloprid As Seed Treatments to Parasitoids Associated to Control Bemisia Tabaci (Report‪)‬

Incidence and risk factors of immune checkpoint inhibitor myocardial and muscle toxicity: a French nationwide study Joe-Elie Salem, Aya Ajrouche, Antoine Rozes, Sandrine Pinto, Yann De Rycke, Florence Tubach

In this study, we explored the effect of the neonicotinoid insecticide, thiamethoxam, on miRNA expression in this species using deep small RNA sequencing. The results showed that seven miRNAs were significantly differentially expressed (q-value <0.01 and |log2 (fold-change)| >1) upon exposure to 10 ppb thiamethoxam over 10 d.

Insects 2025, 16 (9), 936; https://doi.org/10.3390/insects16090936 (registering DOI)

Our finding reveals that thiamethoxam exerts sublethal effects on larvae, significantly impairing the fitness of reproductive bees. Specifically, exposure altered juvenile hormone III, ecdysone titer, and acetylcholinesterase activity in reproductive larvae, with these effects showing a negative correlation with pesticide concentration.

摘要 The treatment of seeds using pesticides is a widely employed technique that generates effluents with high contamination potential. In the present study, our objective was to characterize and evaluate the toxicity of washing wastewater from corn seed treaters that contained the pesticide thiamethoxam.

Semi-static toxicity test indicated that the greatest toxicity to the four life stages (embryonic, larval, juvenile and adult stages) of D. rerio was detected from

Table 3. Mortality, fecundity, egg mortality and coefficient of toxicity (E) of thiamethoxam on Tetranychus urticae and Phytoseiulus persimilis observed in different treatments – „Toxicity of thiamethoxam to Tetranychus urticae Koch and Phytoseiulus persimilis Athias-Henriot (Acari Tetranychidae, Phytoseiidae) through different routes of exposure.“

Neonicotinoids are widely used insecticides in agriculture, aquaculture, pet care, and urban pest control. Initially developed to selectively target the insect cholinergic system, their extensive use has raised concerns about adverse effects on nontarget vertebrates. This study investigated the developmental neurotoxicity of the neonicotinoid thiacloprid using two vertebrate models:

ABSTRACT The green apple aphid (Aphis pomi De Geer) is a major early‐season pest in apple orchards. While petroleum spray oils (PSOs) are commonly applied at the delayed dormant stage to control San José scale and European red mite, their effect on A. pomi remains unclear. This study assessed the ovicidal and larvicidal efficacy of 2% PSO applications at the delayed

TECHNICAL DATASHEET of THIAMETHOXAM for use against HOUSEFLIES and other NUISANCE FLIES: Efficacy, spectrum of activity, delivery forms, formulations, toxicity, LD50

BACKGROUND: Bumblebees have been shown to be very effective pollinators for most greenhouse tomatoes. Neonicotinoid insecticides are one of the most widely used pesticides in tomato crops in Korea. METHODS AND RESULTS: This study was carried out to investigate the toxicity of four neonicotinoid insecticides (clothianidin, dinotefuran, imidacloprid and

The toxicity of thiamethoxam against A. gossypii was employed using a leaf-dipping technique. Thiamethoxam was diluted into six concentrations from the associated stock solution (highest concentration) to assess the tox-icity.

TECHNICAL DATASHEET of THIAMETHOXAM for use against HOUSEFLIES and other NUISANCE FLIES: Efficacy, spectrum of activity, delivery forms, formulations, toxicity, LD50

【Aim】 To evaluate the toxicity and risks of four commonly used insecticide formulations 25% thiamethoxam water dispersible granule (WG), 4.5% β-cypermethrin microemulsion (ME), 1.8% avermectin emulsifiable concentrate (EC), and 12% benzoate·chlorfenapyr suspension concentrate (SC) to Vespa magnifica. 【Methods】 The acute oral toxicity of the above four

Clothianidin is an insecticide developed by Takeda Chemical Industries and Bayer AG. Similar to thiamethoxam and imidacloprid, it is a neonicotinoid. Neonicotinoids are a class of insecticides that are chemically similar to nicotine, which has been used as a pesticide since the late 1700s. Clothianidin and other neonicotinoids act on the central nervous system of insects as an

The current study investigated the toxicity of five insecticides, indoxacarb, thiamethoxam+chlorantraniliprole, chlorantraniliprole, fipronil and lufenuron against the 2 nd and the 4 th instar larvae of the cotton leafworm, Spodoptera littoralis using leaf-dip bioassay under laboratory conditions. Based on the LC 50s values of the tested insecticides for the 2 nd instar

【Aim】 To ascertain the toxicity levels and field control efficacy of bioinsecticides and neonicotinoid insecticides against Amrasca biguttula nymphs, so as to provide a scientific basis for its control. 【Methods】 The median lethal concentration (LC50) values of three bioinsecticides (veratramine, avermectin and matrine), and five neonicotinoid insecticides

The present study was designed to assess and compare acute and residual toxicity of two insecticides i.e Spiromesifen and Thiamethoxam on the lynx spider Oxyopes javanus Thorell, 1887 under laboratory conditions.

All the monitored populations of B. odoriphaga showed low-level resistance to beta-cypermethrin. All field populations of B. odoriphaga were susceptible or developed low to moderate levels of resistance to imidacloprid, clothianidin and thiamethoxam.

Neonicotinoid pesticides, including imidacloprid, acetamiprid, and thiamethoxam, are widely used in agricultural production to kill pests by disrupting signal transduction within organisms. Imidacloprid has the properties of high solubility and a long half-life after entering the aquatic environment, and its residues pose potential risks to ecological safety and human health.

Resumo Nas áreas de cultivo do meloeiro (Cucumis melo) é imprescindível o uso de inseticidas para o controle de pragas, o que pode gerar impacto nas populações de abelhas, como Apis mellifera. Neste contexto, conhecer a toxicidade de inseticidas sobre as abelhas é fundamental para conservação de polinizadores em áreas agrícolas. Portanto, objetivou-se

An acid hydrazide derivative was synthesized and transformed into a variety of valuable N-heterocycles such as pyridazinone, oxadiazole, triazolopyridazinone, and triazole derivatives via reactions with certain carbon electrophiles such as

Cartap is a highly effective, low-residue systemic insecticide, belonging to thiamethoxam derivatives. It exhibits stomach toxicity, contact action, and certain systemic conduction effects against pests, effectively controlling various pests of Lepidoptera, Coleoptera, Hemiptera, Diptera, as well as some nematode pests.

U.S. Patent Number 09278964 for Molecules having certain pesticidal utilities, and intermediates, compositions, and processes related thereto