Biological activity of carum carvi on tribolium confusum (coleoptera, tenebrionidae) adults

Popović, Aleksandra and Petrović, Miloš and Šućur, Jovana and Aćimović, Milica and Stojanović, Tijana and Petrović, Aleksandra and Bursić, Vojislava and Marinković, Dušan: Biological activity of carum carvi on tribolium confusum (coleoptera, tenebrionidae) adults. Proceedings of the International Symposium on Analytical and Environmental Problems, (22). pp. 263-266. (2016)

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Abstract

Tribolium confusum duVal, 1863 (Coleoptera: Tenebrionidae) is one of the most serious pests in stored grain and related products. T. confusum was reared on a diet of wheat flour. The colonies were maintained in a growth chamber (Witeg, Germany, Model: GC-450) at 25±1oC, 45-50% r.h. Only adults were used for the experiments. The aerial parts of Carum carvi L. plants were collected from the Mošorin village, Vojvodina region (N 45o 18’ 21.5’’ E 20o 10’ 53.9’’, 90 m above sea level) on the 15 May 2015. The bioassays were carried out using groups of ten adult insects of T. confusum.The experiment was set in four replicates and control. The 50µl of known concentrations (6,32µl/l, 5,17µl/l, 4,02µl/l, 2,87µl/l, 2,3µl/l) of C.carvi was applied on filter papers. Mortality was determined 24h, 48h and 72h after the treatment.The highest concentrations 6,32 µl/l and 5,17 µl/l led to death more than 50% of insect population, after 48h and 72h. Also, lower concentartion showed strong insecticidal effect, where the mortality rate was 52,5% after 48h at the concentration of 4,02 µl/l and 47,5% at the concentration of 2,87µl/l.

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