Standardization of a Continuous Assay for Glycosidases and Its Use for Screening Insect Gut Samples at Individual and Populational Levels oleh Gerson S. Profeta, Jessica A. S. Pereira, Samara G. Costa, Patricia Azambuja, Patricia Azambuja, Eloi S. Garcia, Eloi S. Garcia, Caroline da Silva Moraes, Fernando A. Genta, Fernando A. Genta