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imidacloprid

  1. Scientific Studies / CCD / Neonics
    Neonicotinoid Insecticides and Their Impacts on Bees: A Systematic Review of Research Approaches and Identification of Knowledge Gaps It has been suggested that the widespread use of neonicotinoid insecticides threatens bees, but research on this topic has been surrounded by controversy. In...
  2. Scientific Studies / CCD / Neonics
    Assessment of Chronic Sublethal Effects of Imidacloprid on Honey Bee Colony Health Here we present results of a three-year study to determine the fate of imidacloprid residues in hive matrices and to assess chronic sublethal effects on whole honey bee colonies fed supplemental pollen diet...
  3. Bee Forum
    Movement of Soil-Applied Imidacloprid and Thiamethoxam into Nectar and Pollen of Squash (Cucurbita pepo) There has been recent interest in the threat to bees posed by the use of systemic insecticides. One concern is that systemic insecticides may translocate from the soil into pollen and nectar...
  4. Diseases and Pests
    A very interesting study of the effects of two pesticides and the synergy or lack thereof with nosema. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3960157/ From the conclusion: Our result showed that N. ceranae-fipronil and N. ceranae-imidacloprid combinations do not systematically lead to a...
  5. Alternative Pollinators
    Chronic Exposure of Imidacloprid and Clothianidin Reduce Queen Survival, Foraging, and Nectar Storing in Colonies of Bombus impatiens In an 11-week greenhouse study, caged queenright colonies of Bombus impatiens Cresson, were fed treatments of 0 (0 ppb actual residue I, imidacloprid; C...
  6. Alternative Pollinators
    Repression and Recuperation of Brood Production in Bombus terrestris Bumble Bees Exposed to a Pulse of the Neonicotinoid Pesticide Imidacloprid Currently, there is concern about declining bee populations and some blame the residues of neonicotinoid pesticides in the nectar and pollen of treated...
  7. Bee Forum
    Comparative Toxicities and Synergism of Apple Orchard Pesticides to Apis mellifera (L.) and Osmia cornifrons (Radoszkowski) The topical toxicities of five commercial grade pesticides commonly sprayed in apple orchards were estimated on adult worker honey bees, Apis mellifera (L.) (Hymenoptera...
  8. Bee Forum
    Transient Exposure to Low Levels of Insecticide Affects Metabolic Networks of Honeybee Larvae Given the changes we observe at the RNA and lipid level, it is reasonable so suspect that the synthetic neonicotinoid-class of insecticides are a factor driving the global decline of pollinating...
  9. Scientific Studies / CCD / Neonics
    I did a review of many papers on the toxicity of imidacloprid, since it is the best studied neonic, looking for data that could be interpreted in a time-to-effect manner. There are a couple of studies that turned out to be useful. I think this view of pesticides is much more useful in trying...
  10. Bee Forum
    http://www.guardian.co.uk/environment/2013/jan/31/eu-proposes-ban-insecticides-bee?CMP=twt_gu EU proposes to ban insecticides linked to bee decline Three neonicotinoids, the world's most widely used insecticides would be forbidden across the continent for two years Damian Carrington...
  11. Bee Forum
    The Neonicotinoid Insecticide Imidacloprid Repels Pollinating Flies and Beetles at Field-Realistic Concentrations Both Diptera and Coleoptera exhibited marked avoidance of traps containing imidacloprid at a field-realistic dose of 1 µg L−1, with Diptera avoiding concentrations as low as 0.01 µg...
  12. Bee Forum
    Major Report concludes: "Neonicotinoids are An Unnacceptable Danger to Bees" http://www.guardian.co.uk/environment/2012/mar/29/crop-pesticides-honeybee-decline?intcmp=239 The world's most widely used insecticides (Imidacloprid) has for the first time been officially labelled an...
  13. Bee Forum
    Impaired Olfactory Associative Behavior of Honeybee Workers Due to Contamination of Imidacloprid in the Larval Stage The residue of imidacloprid in the nectar and pollens of the plants is toxic not only to adult honeybees but also the larvae. Although the sublethal dosage of imidacloprid had no...
  14. Treatment-Free Beekeeping
    A diet of sugar is not equivalent to a diet of honey. Actually it is bee susceptibility to synthetic and natural xenobiotics, including the acaricide tau-fluvalinate, the agricultural pesticide imidacloprid, and the naturally occurring mycotoxin aflatoxin. These results suggest that regulation...
  15. Bee Forum
    http://www.economist.com/node/21551451 Bees and insecticides Subtle poison Evidence is growing that commonly used pesticides, even when employed carefully, are bad for bees Mar 31st 2012 IN THE winter of 2006 beekeepers in America noticed something odd—lots of their hives were dying for no...
  16. Bee Forum
    http://www.telegraph.co.uk/earth/wildlife/9173586/Pesticides-harming-bee-populations-researchers-suggest.html Pesticides harming bee populations, researchers suggest A common type of crop pesticide could be responsible for wiping out bee colonies by killing their homing instinct and limiting...
  17. Bee Forum
    DOWNLOAD FULL REPORT HERE: http://www.xerces.org/wp-content/uploads/2012/03/Are-Neonicotinoids-Killing-Bees_Xerces-Society1.pdf ARE NEONICOTINOIDS KILLING BEES? FOR IMMEDIATE RELEASE: March 26, 2012 CONTACTS: Mace Vaughan, Pollinator Program Director, Xerces Society for Invertebrate...
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