Effects of ingestion of a Bacillus thuringiensis toxin and a trypsin inhibitor on honey bee flight activity and longevity Louise A. Malone, Elisabeth P.J. Burgess, Heather S. Gatehouse, Christine R. Voisey, Emma L. Tregidga and Bruce A. Philip Apidologie, 32 1 (2001) 57-68 DOI: 10.1051/apido:2001111