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为了比较虫酰肼及其衍生物对鳞翅目5种害虫的毒力,以虫酰肼为对照药剂,分别采用浸叶法、浸虫法和点滴法测定了虫酰肼衍生物0593(Ⅲf)和0673对甜菜夜蛾Spodoptera exigua(Hbner)、斜纹夜蛾Prodenia litura(Fabricius)、小菜蛾Plutella xylostella(Linnaeus)、棉铃虫Helicoverpa armigera(Hbner)和玉米螟Ostrinia furnacalis(Guen e)的毒力;通过浸叶法系统研究了虫酰肼和虫酰肼衍生物0593对甜菜夜蛾生长发育的影响。结果表明:0593和0673对甜菜夜蛾4龄幼虫的触杀毒力分别是虫酰肼的11.3倍和7.4倍,对斜纹夜蛾4龄幼虫触杀毒力分别是虫酰肼的30.4倍和24.7倍,对小菜蛾3龄幼虫浸虫处理的毒力分别是虫酰肼的4.7倍和4.5倍,对棉铃虫3龄幼虫的触杀毒力分别是虫酰肼的15.5倍和15.2倍,对玉米螟4龄幼虫的触杀毒力分别是虫酰肼的1.3倍和2.0倍,较虫酰肼的毒力都有很大提高,而0593和0673对5种害虫的毒力差异不显著。用虫酰肼和0593处理甜菜夜蛾2龄幼虫,都能导致存活幼虫陆续死亡;化蛹率和正常蛹数降低;成虫羽化率、单雌产卵量和卵的孵化率显著减少,对后代的繁殖力影响显著;在相同处理浓度下,0593较虫酰肼对甜菜夜蛾后代繁殖力的不利影响更大。因此,0593是较虫酰肼杀虫毒力更高、对生长发育和繁殖力不利影响更大的药剂,开发应用价值很大。
In order to compare the toxicity of tebufenozide and its derivatives to the five pests of Lepidoptera, the insecticide hydrazide derivative 0593 (Ⅲf ) And 0673 were resistant to Spodoptera exigua (Hbner), Prodenia litura (Fabricius), Plutella xylostella (Linnaeus), Helicoverpa armigera (Hbner) and Ostrinia furnacalis (Guen e) The effects of tebufenozide and tebufenozide 0593 on the growth and development of beet armyworm were studied by the leaf dipping method. The results showed that the contact toxicity of 0593 and 0673 to 4th instar larvae of Spodoptera exigua were 11.3 times and 7.4 times that of tebufenozide and 30.4 times and 24.7 times that of tebufenozide respectively , Respectively. The virulence of the 3rd instar larvae of Plutella xylostella was 4.7 times and 4.5 times higher than that of tebufenozide and 15.5 times and 15.2 times that of tebufenozide against the 3rd instar larvae, respectively. The 4th instar larvae were 1.3 times and 2.0 times higher than that of tebufenozide, respectively, and their toxicity to tebufenozide was greatly increased. However, the virulence of 0593 and 0673 to 5 kinds of pests was not significant. Treatment with tebufenozide and 0593 at 2nd instar larvae of Spodoptera exigua resulted in the death of surviving larvae, reduced pupation rate and normal pupal number, emergence rate of adults, number of females and hatching rate of eggs significantly decreased, Of the fecundity; the same treatment concentration, 0593 than tebufenozide beet armyworm offspring fertility adverse effects more. Therefore, 0593 is more insecticide hydrazide insecticidal toxicity, growth and development of adverse effects greater fertility, development and application of great value.