Combined toxicity of pyrethroid insecticides and azole fungicides in honey bee larvae
Journal: Environ Pollut, 2026 Nov 1. Choi M, Chon K, Kim J et al.
Hive Wire Texas
Texas bee decline. New filings, studies and numbers. Every item links to its source.
Chrysin Mitigates Acetamiprid-Induced Testicular Injury in Mice via Suppression of Endoplasmic Reticulum Stress and Inflammation
Journal: Environ Toxicol, 2026 Nov. Demir S, Alemdar NT, Yulug E et al.
Enzymatic biomarkers reveal sublethal effects of thiamethoxam and fipronil on the stingless bee Melipona scutellaris
Journal: Comp Biochem Physiol C Toxicol Pharmacol, 2026 Nov. Miotelo L, Araújo JF, Malaspina O et al.
Proteome-level evidence that tebuconazole, both alone and in interaction with thiacloprid, affects epigenetic events in bumblebee heads
Journal: J Proteomics, 2026 Oct 15. Shcherbachenko E, Pekas A, Markovic M et al.
Novel Study Correlates a Reduction in Sperm Counts in Men with Neonicotinoid Insecticide Exposure
Via Beyond Pesticides.
Common Pesticide Kills Brain Cells — Regulators Continue to Ignore the Evidence
Via Science, Public Health Policy and the Law.
Texas Citrus Growers Urge EPA Not To Revoke Neonicotinoids
Via Citrus Industry Magazine.
The risk posed by exposure to pesticides through beeswax to adult western honey bees (Apis mellifera)
Journal: Environ Toxicol Chem, 2026 Oct 3. Petit L, Jack CJ, Ellis JD.
Sex-specific median lethal dose in bumble bee adults orally and topically exposed to two insecticides and one fungicide
Journal: Environ Toxicol Chem, 2026 Oct 1. Fievet M, Dorio L, Gekière A et al.
Analysis of neonicotinoid pesticides and their metabolites by liquid chromatography-electrospray ionization-tandem mass spectrometry
Journal: Toxicol Mech Methods, 2026 Sep 28. Lehner AF, Dickie J, Zyskowski J et al.
Combined imidacloprid and chlorpyrifos disrupt gut microbiota-host interactions and reduced performance and survival in honey bees
Journal: J Insect Physiol, 2026 Sep 27. Chen S, Wang J, Yang S et al.
Grocery chain Sprouts settles with Texas Attorney General Ken Paxton in lawsuit over synthetic pesticide
Via kens5.com.
Carbamate-Modified Pyrido[1,2-a]pyrimidinones: Design and Synthesis of Insecticides with High Efficacy and Low Bee Toxicity
Journal: J Agric Food Chem, 2026 Sep 2. Ma Q, Wu S, Zhang L et al.
Proposed Settlement Agreement, Unreasonable Delay Claim Regarding Natural Resources Defense Council's Petition To Revoke Tolerances for Neonicotinoid Pesticides
Environmental Protection Agency. Notice. In accordance with the Environmental Protection Agency (EPA) Administrator's March 18, 2022, Memorandum entitled Consent Decrees and Settlement Agreements to Resolve Environmental Claims Against the Agency, notice is hereby given of a proposed settlement agreement that resolves In re Natural Resour…
Texas colony stressors, Oct–Dec 2025: pesticides 1.2%, varroa 17.9% of colonies
Percent of Texas colonies affected, as reported by beekeepers to USDA (a colony can have more than one): varroa mites 17.9%, other pests and parasites 1.8%, diseases <0.5%, pesticides 1.2%, other 8.5%, unknown 4.3%.
Texas colony stressors, Jul–Sep 2025: pesticides 3.5%, varroa 12.2% of colonies
Percent of Texas colonies affected, as reported by beekeepers to USDA (a colony can have more than one): varroa mites 12.2%, other pests and parasites 6.1%, diseases 1.4%, pesticides 3.5%, other 2%, unknown 2.6%.
Texas colony stressors, Apr–Jun 2026: pesticides 4.3%, varroa 11.2% of colonies
Percent of Texas colonies affected, as reported by beekeepers to USDA (a colony can have more than one): varroa mites 11.2%, other pests and parasites 7%, diseases 0.8%, pesticides 4.3%, other 3%, unknown 0.7%.
Texas colony stressors, Apr–Jun 2025: pesticides 6.8%, varroa 17% of colonies
Percent of Texas colonies affected, as reported by beekeepers to USDA (a colony can have more than one): varroa mites 17%, other pests and parasites 8%, diseases 7%, pesticides 6.8%, other 2%, unknown 4.8%.
Texas colony stressors, Jan–Mar 2026: pesticides 7.4%, varroa 18.9% of colonies
Percent of Texas colonies affected, as reported by beekeepers to USDA (a colony can have more than one): varroa mites 18.9%, other pests and parasites 2.5%, diseases 0.5%, pesticides 7.4%, other 3.5%, unknown 0.7%.
Texas colony stressors, Jan–Mar 2025: pesticides 10.3%, varroa 27% of colonies
Percent of Texas colonies affected, as reported by beekeepers to USDA (a colony can have more than one): varroa mites 27%, other pests and parasites 14%, diseases 4.2%, pesticides 10.3%, other 5.3%, unknown 5.3%.
Neonicotinoid Cumulative Screening Analysis
EPA registration review docket for acetamiprid. Document type: Supporting & Related Material.
Neonicotinoid Cumulative Screening Analysis
EPA registration review docket for dinotefuran. Document type: Supporting & Related Material.
Neonicotinoid Cumulative Screening Analysis
EPA registration review docket for thiamethoxam. Document type: Supporting & Related Material.
Neonicotinoid Cumulative Screening Analysis
EPA registration review docket for clothianidin. Document type: Supporting & Related Material.
Neonicotinoid Cumulative Screening Analysis
EPA registration review docket for imidacloprid. Document type: Supporting & Related Material.
EPA Meeting with Syngenta Oct 6, 2025
EPA registration review docket for thiamethoxam. Document type: Supporting & Related Material.
Imidacloprid; Pesticide Tolerance(s)
Environmental Protection Agency. Rule. This regulation establishes tolerances for residues of imidacloprid (CASRN 138261-41-3) in or on the food and feed commodities of black pepper at 0.05 parts per million (ppm).
Thiamethoxam; Pesticide Tolerances
Environmental Protection Agency. Rule. This regulation establishes tolerances for residues of thiamethoxam in or on pepper, black at 0.15 parts per million (ppm).
Data Evaluation Record for TI-435 Metabolite TZMU: Acute Oral Toxicity to Honey Bees (Apis mellifera): MRID 45422429
EPA registration review docket for clothianidin. Document type: Supporting & Related Material.
Data Evaluation Record for TI-435 Metabolite TZNG: Acute Oral Toxicity to Honey Bees (Apis mellifera): MRID: 45422430
EPA registration review docket for clothianidin. Document type: Supporting & Related Material.
Thiamethoxam. Honey Bee Acute Contact and Oral LD50 Test. Data Evaluation Record MRID NO. 447149-27
EPA registration review docket for thiamethoxam. Document type: Supporting & Related Material.
Imidacloprid. Acute Contact LD50 and Oral LD50 Tests. Species Tested - Honey Bee (Apis mellifera) MRID NO. 422730-03
EPA registration review docket for imidacloprid. Document type: Supporting & Related Material.
DP Barcode: 278110 MRID: 45422426 Honey Bee - Acute Contact & Oral LC50 Test
EPA registration review docket for clothianidin. Document type: Supporting & Related Material.
Comment Period extension for Thiamethoxam (Neonicotinoid)
EPA registration review docket for thiamethoxam. Document type: Other.
Comment Period Extension for Neonicotinoid (Clothianidin)
EPA registration review docket for clothianidin. Document type: Other.
Comment Period Extension for Neonicotinoid (Imidacloprid)
EPA registration review docket for imidacloprid. Document type: Other.
Pesticide Registration Review: Draft Human Health and/or Ecological Risk Assessments for Several Pesticides
EPA registration review docket for clothianidin. Document type: Notice.
Clothianidin's, Imidacloprid's, and Thiamethoxam's Updated Occupational Exposure Assessments for Seed Treatment Uses - Guide to Commenters
EPA registration review docket for thiamethoxam. Document type: Supporting & Related Material.
Thiamethoxam. Updated Occupational Exposure Assessment for Seed Treatment Uses in Support of Registration Review
EPA registration review docket for thiamethoxam. Document type: Supporting & Related Material.
Pesticide Registration Review: Draft Human Health and/or Ecological Risk Assessments for Several Pesticides
EPA registration review docket for thiamethoxam. Document type: Notice.
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