Untimely loss of Job van Praagh

The bee community has experienced a great loss with the recent death of Dr. Job van Praagh. Honorary Professor at the University of Leibniz in Hanover, Job dedicated his life to research into the biology and eco-toxicology of bees. Straightforward, sincere and honest, the discussions with Job were always intelligent, warm and stimulating.  We’ll miss…

In vitro study on enzymatic systems of honeybees

In this study we measured in vitro honey bee enzyme activities in presence of the synergist piperonyl butoxide (PBO) and some new benzodioxole and dihydrobenzofuran derivatives through absorbance and fluorescence spectrophotometric assays, to determine if and to what extent detoxification systems and acetylcholinesterases are affected by these compounds. Both Italian (Italy) and Carniolan (Czech Republic)…