Toxicity , Persistence , and Potency of Sabadilla Alkaloid Formulations to Citrus Thrips ( Thysanoptera : Thripidae )

J. Econ. Entomol. 90(2): 326-.'332 (1997) ABSTRACT Toxicity of the major alkaloids present in commercial fonnulations of sabadilla, Veratran D, was determined in laboratory bioassays with adult female citrus thrips, Scirlothrips citri (Moulton). Both cevadine and veratridine, the 2 major components of the insecticidal fraction of sabadilla, were highly… CONTINUE READING