... channel. Imidacloprid (IMI) {1–[(6-chloro- 3- pyridinyl)methyl ]-4 ,5-dihydro-N-nitro-1H-imidazol -2 - amine} is one of these new molecules (Figure 6.1). According to the literature, IMI ininsects acts ... impairment of acquisition and retrieval of olfactory condition-ing in the honey bee. Behav. Brain Res. 81, 21 5 22 2.14 Cano Lozano, V. and Gauthier, M. (1998). Effects of the muscarinic antago-nists ... acetylcholine-induced currents [2, 4].Finally, the dual effect of IMI can be explained by the presence in the central nervous system of the honey bee of two types of nicotinic receptorsas shown in the...