Effects of Artemisia annua L. (Asteracea) on nutritional physiology and enzyme activities of elm leaf beetle, Xanthogaleruca luteola Mull. (Coleoptera: Chrysomellidae)

摘要: Methanolic extract of Artemisia annua L., a weed collected around paddy fields in north Iran, was investigated for its toxic effects on: feeding, growth, fecundity, fertility including the biochemical characteristics elm leaf beetle Xanthogaleruca luteola Mull. The toxicity tests indicate that insecticidal effect 2.4-fold higher 3rd instar larvae than adults. LC 50 48% and 43.77% methanolic at 24 48 h, respectively. feeding deterrence highest 10% concentration lowest 0.625% adults during first h decreased thereafter. Larval duration significantly increased concentrations. treatment with resulted deformed (adultoids) drastic changes gross morphology female reproductive system. Food digestion assimilation adult fecundity were also reduced. Twenty-four hours after treating larva levels glucose, protein, urea, uric acid, α-amylase, alkaline phosphatase, alanine amino transferase aspartate changed. However, lost potency. did not level cholesterol treated larva. These results L. contains inhibitors key metabolic pathways may be useful future control beetle.