title: Frass failure and pupation failure as quantal measurements of Bacillus thuringiensis toxicity to Lepidoptera.
authors.affiliation: Forest Pest Management Institute, Sault Ste. Marie, Ontario, Canada.
authors.forename: K
authors.initials: K
authors.lastname: Van Frankenhuyzen
authors.forename: J L
authors.initials: JL
authors.lastname: Gringorten
mesh_terms: D000818:Animals; D001413:Bacillus thuringiensis / Q000502:physiology*; D000083722:Bacillus thuringiensis Toxins; D001426:Bacterial Proteins / Q000633:toxicity*; D001427:Bacterial Toxins; D004731:Endotoxins; D006460:Hemolysin Proteins; D007814:Larva / Q000382:microbiology; D007915:Lepidoptera / Q000382:microbiology* / Q000502:physiology; D010572:Pest Control, Biological; D011679:Pupa; D011994:Recombinant Proteins / Q000633:toxicity
chemical_list: D000083722:Bacillus thuringiensis Toxins; D001426:Bacterial Proteins; D001427:Bacterial Toxins; D004731:Endotoxins; D006460:Hemolysin Proteins; D011994:Recombinant Proteins; C030956:insecticidal crystal protein, Bacillus Thuringiensis