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Influence of Gibberellic Acid on the Hemolymph Content of the Greater Wax Moth, Galleria mellonella (Lepidoptera: Pyralidae) Larvae

Influence of Gibberellic Acid on the Hemolymph Content of the Greater Wax Moth, Galleria mellonella (Lepidoptera: Pyralidae) Larvae

Nevran Eylem Akman Gündüz1,* and Özgür Özcan2

1Department of Biology, Faculty of Science and Arts, Ondokuz Mayıs University, Samsun, Turkey
2Samsun Metropolitan Municipality Water and Sewerage Administration, Samsun, Turkey

*      Corresponding author: eakman@omu.edu.tr

 

ABSTRACT

The influence of the plant growth regulator gibberellic acid (GA3) on the hemolymph contents of Galleria mellonella (Lepidoptera: Pyralidae) was examined. G. mellonella larvae were fed with a synthetic diet. The effects of GA3 on the hemolymph content of these larvae were tested through a diet incorporation assay. Different concentrations (2, 5, 10, 50, 100, 200, 500 and 1000 mg/L) of GA3 were added to the synthetic diet and protein, lipid, carbohydrate and glycogen levels in the hemolymph were evaluated for the GA3 concentrations. The hemolymph protein level of the larvae increased significantly at 5, 10, 50 and 200 mg/L with respect to the control group. The lipid level of hemolymph fluctuated among the tested GA3 concentrations. It was significantly reduced at 5 and 10 mg/L, but increased at 50 and 200 mg/L. GA3 application also enhanced the carbohydrate level at 50, 100, 200 and 1000 mg/L and the glycogen content at 100 and 200 mg/L. 
 

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Pakistan Journal of Zoology

December

Vol. 50, Iss. 6, Pages 1999-2398

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