"Since 2013, a European Union (EU) moratorium has restricted the application of three neonicotinoids to crops that attract bees because of the harmful effects they are deemed to have on these insects. Yet researchers from the CNRS, INRA, and the Institut de l'Abeille (ITSAP) have just demonstrated that residues of these insecticides--and especially of imidacloprid--can still be detected in rape nectar from 48% of the plots of studied field...."
Read more here: EurekAlert