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1 August 2001 Toxicity, Feeding Deterrence, and Effect of Activity of 1,8-Cineole from Artemisia annuaon Progeny Production of Tribolium castanaeum(Coleoptera: Tenebrionidae)
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Abstract

1,8-Cineole isolated from Artemisia annua was tested against Tribolium castaneum (Herbst) for contact toxicity, fumigant toxicity, and antifeedant activity. The adults of T. castaneum were more susceptible than larvae to both contact and fumigant toxicity of 1,8-cineole, and LD50 and LC50 values of 108.4 μg/mg body weight of adult insect and 1.52 mg/liter air were found, respectively. Furthermore, 14-d-old T. castaneum larvae were more tolerant than 16- and 18-d-old larvae and adults to the contact toxicity of 1,8-cineole, but the 16- and 18-d-old larvae have similar susceptibility. In contrast, all the larvae (14–18 d old) of T. castaneum were much more tolerant than the adults to the fumigant action, but larvae of different ages had similar susceptibility. The compound 1,8-ciineole applied to filter paper at a concentration of 3.22–16.10 mg/cm2 significantly (P < 0.05) reduced the hatching of T. castaneum eggs and the subsequent survival rate of the larvae. Adult emergence was also reduced by 1,8-cineole. Feeding deterrence of 81.9% was achieved in T. castaneum adults by using a concentration of 121.9 mg/g food, whereas larvae showed 68.8% at the same concentration.

Arun K. Tripathi, Veena Prajapati, Kishan K. Aggarwal, and Sushil Kumar "Toxicity, Feeding Deterrence, and Effect of Activity of 1,8-Cineole from Artemisia annuaon Progeny Production of Tribolium castanaeum(Coleoptera: Tenebrionidae)," Journal of Economic Entomology 94(4), 979-983, (1 August 2001). https://doi.org/10.1603/0022-0493-94.4.979
Received: 18 August 2000; Accepted: 1 February 2001; Published: 1 August 2001
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