Rearing the honeydew moth,Cryptoblabes gnidiella,and the effect of diflubenzuron on its eggs |
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| Authors: | K R S Ascher Miriam Eliyahu E Gurevitz S Renneh |
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| Institution: | 1. Dept. of Toxicology, ARO, The Volcani Center, Bet Dagan
2. Dept. of Entomology, ARO, The Volcani Center, Bet Dagan
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| Abstract: | The rearing of the honeydew moth,Cryptoblabes gnidiella Mill., is described. The toxicity at 27° and 22° C of diflubenzuron against eggs ofC. gnidiella was assayed by dipping in aqueous dilutions of a 5% liquid experimental formulation and of a 25% wettable powder (w.p.). The w.p. was more active than the liquid formulation, and toxicity at 27° was higher than at 22°C, for both formulations. The LC-50s of the w.p. were 0.00025 and 0.006%, and of the liquid formulation 0.009 and 0.095 a.i., at 27° and 22°C, respectively; the LC-90s of the w.p. were 0.0033 and 0.037%, and of the liquid formulation 0.36 and 2.5% a.i., at 27° and 22° C, respectively. |
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