Contents -- Report of the meeting Gavin B. Lewis -- Toxicity tests -- Results of a comprehensive field research programme with the systemic insecticide imidacloprid (Gaucho®) G. Curé, H.W. Schmidt, R. Schmuck -- A semi-field test to evaluate effects of plant protection products on brood in honeybee colonies (Apis mellifera L.) B. Leymann, W. Mühlen, A. Edelmann -- Bee selectivity of MAVRIK® (tau-fluvalinate) in tank mix with ERIA® (Difenoconazole, Ergosterol Biosynthesis Inhibitor - EBI). Short, medium and long term effects under semi-fields conditions B. Lefebvre, D. Bassand -- Effects of wetting agent selection on the contact toxicity of a dimethoate formulation to honeybees H.M. Thompson -- Toxicity of realistic combinations of pyrethroids and fungicides to honeybees H.M. Thompson, H. Folkard-Ward -- Tests regarding effects of imidacloprid on honeybees K. Wallner -- Effects of sublethal doses -- Possible synergistic effects on honeybees of pyrethroids and fungicides : the UK regulatory consideration P.J. Brobyn -- Impairment of olfactory learning performances in the honey bee after long term ingestion of imidacloprid A. Decourtye, M. Le Metayer, H. Pottiau, M. Tisseur, J.F. Odoux, M. H. Pham-Delègue -- Metabolites -- Toxicity of imidacloprid and its metabolites in Apis mellifera S. Suchail, D. Guez, L.P. Belzunces -- Bee poisoning incidents -- Honey bee poisoning incidents over the last ten years, as reported by bee keepers in the Netherlands P.A. Oomen -- First draft of "Field inquiry into suspected poisoning incidents involving honeybees" D. Brasse -- Overview about the poisoning incidents in honeybee populations and their clarification in Germany from 1996 to 1998 D. Brasse -- The use of toxic standards in the honey bee acute toxicity test G.B. Lewis, H.J. Gough, C. Künast, H.M. Thompson, J.H. Stevenson.

Non pesticide chemicals or alternative pest control methods -- Field evaluation of non-pesticide chemicals as honey bee repellents D.F. Mayer, J.D. Lunden, G. Kovacs, E.R. Miliczky -- Are allelochemical compounds safe to use on flowering bee-pollinated crops ? A field assay with codlemone dispensers used for mating disruption of the codling moth, Cydia pomonella (L.) B.E. Vaissiere, M. Matti, N. Morison, B. Sauphanor -- Impact of novel herbicide-resistant transgenic oilseed rape on honey bee colonies in semi-field conditions N. Châline, A. Decourtye, D. Marsault, M. Lechner, J. Champolivier, X. Van Waetermeulen, D. Viollet, M.H. Pham Delègue -- Bumblebees -- Assessing the exposure and toxicity of pesticides to bumble bees H.M. Thompson -- Effects of Gaucho® seed coating on bumblebees visiting sunflower J.N. Taséi, G. Ripault, E. Rivault -- The effect of the size of the bumblebee (Bombus terrestris L.) on the susceptibility to the pesticide dimethoate 40 % J.J.M. Van der Steen -- Effect of pesticides on the bumblebee, Bombus terrestris L. in the laboratory L. Bortolotti, E. Grazioso, C. Porrini, G. Sbrenna -- Assessing the effects glasshouse application of a novel insect growth regulator on bumble bee colonies H.M. Thompson, K.A. Barrett -- Residue testing -- Subgroup Persistence Testing : report of the coordinator to the ICP-BR Bee Protection Group P.A. Oomen -- Methodology -- A study of undertaking behaviour of honey bees (Apis mellifera L.) by use of different bee traps I. lllies, W. Mühlen, G. Dücker, N. Sachser -- New technical aspects in bee toxicity tests. Discussion on residual testing G. Kovacs, D.F. Mayer, J. Lunden -- A bi-tunnel method developed to investigate the side-effects of systemic seed dressings or systemic soil treatments on honeybees, Apis mellifera M. Candolfi, E. Servajean.

Managing nuclei in insect-proof tunnel as an observation tool for foraging bees : sublethal effects of deltamethrin and imidacloprid M.E. Colin, Y. Le Conte, J. P. Vermandere -- Possibilities and limitations of monitoring the flight activity of honeybees by means of BeeSCAN bee counters M.H. Struye -- Appendix I -- Revised draft of EPPO Guidelines PP 1/170 : Guidelines for the efficacy evaluation of plant protection products : side-effects on honeybees -- Appendix II -- EPPO Decision Making Scheme for the Environmental Risk Assessment of Plant Protection Products. Chapter 10, Honeybees -- Abstracts of the Posters or Communications not developed in the book -- Sublethal effects of imidacloprid on learning and memory in honeybees D. Guez, S. Suchail, R. Maleszka, M. Gauthier, L.P. Belzunces -- Joint effects of pyrethrinoid insecticides and azole fungicides on honeybee thermoregulation L.P. Belzunces, R. Vandame, Xingfa Gu -- Degradation of imidacloprid in Apis mellifera S. Suchail, D. Guez, L.P. Belzunces -- Load test of Acidum tannicum for honey bees E. Matray, Z. Szel, K. Turi -- Side effects of an insect growth regulator on bumble-bees and honey-bees I. Tornier -- Predicting the hazard of insecticide applications to bees J. Lunden, D.F. Mayer -- The use of electronic bee counters as a tool to study the influence of environmental factors on bee behaviour M. H. Struye -- The revision of EPPO standards for the evaluation of side-effects of plant protectionproducts on honeybees V. Zlof -- Index of main keywords -- List of registered persons -- Supporting companies and organisations.