Evaluation of fenugreek extract on flour beetle Tribolium castaneum [electronic resource].

Includes references.

Ethanolic and aqueous extracts of fenugreek were evaluated against the flour beetles Tribolium castaneum during September-October,2014, at the laboratory of the Department of Zoology, Faculty of Science, Sebha University .. The obtained results revealed that all fenugreek extracts (ethanolic or aqueous) decreased the number of flour beetles either larval or adult stages. The estimated LC50 values for treated larvae with ethanolic extract recorded 0.625, 0.319, 0.111 and 0.025 ppm after 1, 24, 48 and 72 hours, respectively, whereas the aqueous extract recorded 3.068, 1.152, 0.334, 0.215 and 0.160 ppm after 1, 24, 48, 72 and 96 hours, respectively. The estimated LC50 values for treated adult with ethanolic extract recorded 2.351, 0.968, 0.343 and 0.080 ppm. In aqueous extract it recorded 14.483, 2.002, 1.958 and 0.514 ppm for 1, 24, 48 and 72 hours respectively. Key words: Flour beetle - Tribolium castaneum - Fenugreek - toxicity - LC50

Summary in Arabic.

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