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coumaphos

  1. Scientific Studies / CCD / Neonics
    The Status of Honey Bee Health in Italy: Results from the Nationwide Bee Monitoring Network In Italy a nation-wide monitoring network was established in 2009 in response to significant honey bee colony mortality reported during 2008. The network comprised of approximately 100 apiaries located...
  2. Bee Forum
    Quick and Label-Free Detection for Coumaphos by Using Surface Plasmon Resonance Biochip Coumaphos is a common organophosphorus pesticide used in agricultural products. It is harmful to human health and has a strictly stipulated maximum residue limit (MRL) on fruits and vegetables. Currently...
  3. Bee Forum
    Xenobiotic Effects on Intestinal Stem Cell Proliferation in Adult Honey Bee (Apis mellifera L) Workers The causes of the current global decline in honey bee health are unknown. One major group of hypotheses invokes the pesticides and other xenobiotics to which this important pollinator species...
  4. Bee Forum
    Four Common Pesticides, Their Mixtures and a Formulation Solvent in the Hive Environment Have High Oral Toxicity to Honey Bee Larvae Recently, the widespread distribution of pesticides detected in the hive has raised serious concerns about pesticide exposure on honey bee (Apis mellifera L.)...
  5. Bee Forum
    Field-Level Sublethal Effects of Approved Bee Hive Chemicals on Honey Bees (Apis mellifera L) In a study replicated across two states and two years, we tested the sublethal effects on honey bees of the miticides Apistan (tau fluvalinate) and Check Mite+ (coumaphos) and the wood preservative...
  6. Beekeeping 101
    Confused about the directions for Checkmite. Coumaphos (Checkmite) says to remove the supers before application, I've already harvested this year's crop, I have one full super on for the bees to overwinter with, do I have to remove this for Checkmite strips? I can't think of what to do with...
  7. Bee Forum
    Widespread Occurrence of Chemical Residues in Beehive Matrices from Apiaries Located in Different Landscapes of Western France The analysis revealed that 95.7%, 72.3% and 58.6% of the honey, honey bee and pollen samples, respectively, were contaminated by at least one compound. The three most...
  8. Bee Forum
    http://news.nationalgeographic.com/news/2013/13/130213-honeybee-pesticide-insect-behavior-science/ Are Honeybees Losing Their Way? A combo of pesticides takes a toll on their memory and communication skills Click to enlarge thumbnail. Christy Ullrich National Geographic News Published...
  9. Bee Forum
    Chemical analysis shows that honey bees (Apis mellifera) and hive products contain many pesticides derived from various sources. The most abundant pesticides are acaricides applied by beekeepers to control Varroa destructor. Beekeepers also apply antimicrobial drugs to control bacterial and...
  10. Bee Forum
    I bought some raw extracted wax from Dadant Chico for the purpose of candle making. It definitely smells wrong when heated. I am going through my usual wax clean regime..using glass vessels; melt, pour water through, filter through tee shirts, harden, scrape clean, reheat pour water through...
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