Canada to Re-evaluate Neonicotinoid Insecticides

The purpose of this document is to notify registrants, pesticide regulatory officials and the Canadian public of Health Canada’s Pest Management Regulatory Agency’s (PMRA) decision to initiate a re-evaluation, under section 16 of the Pest Control Products Act (PCPA), of the nitro-guanidine neonicotinoid insecticides, clothianidin and thiamethoxam, and their associated products registered in Canada. Currently, another nitro-guanidine neonicotinoid insecticide,imidacloprid, is …

Mite Helps a Bee-Killing Virus Spread

June 4, 2012  ABJ Extra – The spread of a parasitic mite across Hawaiian honeybee colonies has enabled a virus to thrive within colonies of these valuable insects, researchers report. In other parts of the world, the appearance of both the mite and the virus has coincided with major colony deaths, though this has only occurred on Hawaii where the …

Survey by USDA and Collaborators Reports Fewer Winter Honey Bee Losses

By Kim Kaplan May 31, 2012 WASHINGTON—Total losses of managed honey bee colonies from all causes were 21.9 percent nationwide for the 2011/2012 winter, according to the annual survey conducted by the U.S. Department of Agriculture (USDA), the Bee Informed Partnership and the Apiary Inspectors of America. This represents a substantial drop in mortality compared to the previous five years, when winter losses …

Blowing in the Wind: How Hidden Flower Features are Crucial for Bees

May 29, 2012  ABJ Extra - As gardeners get busy filling tubs and borders with colorful bedding plants, scientists at the Universities of Cambridge and Bristol have discovered more about what makes flowers attractive to bees rather than humans. Published today in the British Ecological Society's journal Functional Ecology, their research reveals that Velcro-like cells on plant petals play a crucial …

Commonly Used Pesticide Turns Honey Bees Into ‘Picky Eaters’

May 25, 2012  ABJ Extra - Biologists at UC San Diego have discovered that a small dose of a commonly used crop pesticide turns honey bees into "picky eaters" and affects their ability to recruit their nestmates to otherwise good sources of food. The results of their experiments, detailed in this week's issue of the Journal of Experimental Biology, have implications for …

Bee Pollen Supplements Can Cause Anaphylactic Reactions

May 22, 2012  ABJ Extra - Although many people take bee pollen as a health supplement, it can cause severe anaphylactic reactions. However, most people are unaware of the risks, states an article published in CMAJ (Canadian Medical Association Journal). A case study in the journal illuminates the possible hazards of ingesting bee pollen. A 30-year-old woman with seasonal allergies but no …

Scientists Discover First Ever Record of Insect Pollination From 100 Million Years Ago

May 15, 2012  ABJ Extra - Amber from Cretaceous deposits (110-105 my) in Northern Spain has revealed the first ever record of insect pollination. Scientists have discovered in two pieces of amber several specimens of tiny insects covered with pollen grains, revealing the first record of pollen transport and social behavior in this group of animals. The results are published in …