TABLE 1.

Intrahemocoelic toxicity of B. thuringiensis HD73 Cry cells to lepidopteran and coleopteran larvae

SpeciesLD50 (95% FL) (CFU per larva)B. thuringiensis density (CFU per larva after LD50 injection)
CadaversaSurvivorsb
Spodoptera litura2.5 × 103 (7.8 × 102 - 6.3 × 103)1 × 109ND
Galleria mellonella6.6 × 103 (2.6 × 103 - 1.3 × 104)4 × 109ND
Manduca sexta1.6 × 103 (1.1 × 103 - 3.5 × 103)1 × 108ND
Tenebrio molitor>105ND
Zophobas morio>106ND
  • a Cadavers were homogenized and plated approximately 24 h after death.

  • b ND, not detectable.