Thaumetopoea pityocampa (Denis & Schiffermüller, 1775) (Lepidoptera:Notodontidae ) is the most important defoliating insect for several pine species and cedars. In this study, body nutrient composition of T. pityocampa larvae were analyzed under feeding inhibition caused by natural chemical agents. In no-choice assays, larvae were fed ponderosa pine needles treated with oleic acid and chlorogenic acid solutions, respectively, at each of four concentrations, 0%, 25%, 50% and 75%. The neetles were as given to separate test groups. At the end of feeding experiments, antifeedant index (AFI) was calculated for each solutions with different concentrations. Then, rates of protein, lipid, glycogen and water of larvae were calculated for control and test groups. It was determined that there had been a strong relation between concentrations of solution and AFI values regarding oleic acid (r= 0.998, P < 0.05). However, there was no significant relationship between concentrations of solution and AFI values regarding chlorogenic acid (r= 0.663, P > 0.5). The most remarkable finding was a sharp decline in the level of larval glycogen during starvation period in accordance with rising concentrations of both oleic and chlorogenic acid in its food. The glycogen level of the larvae was also affected by both chemical applications
Antifeedant index chlorogenic acid feeding inhibition oleic acid pine processionary caterpillar
Gazi University
1. 04/2016-10
We would like to thank to Ömer Saylar for his assistance at field studies. This study was presented as an oral presentation at the ISBR 2020 2nd International Symposium on Biodiversity Research, Rize, TURKEY, and it was published as a summary abstract in the proceedings book.
1. 04/2016-10
Primary Language | English |
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Subjects | Structural Biology |
Journal Section | Research Articles |
Authors | |
Project Number | 1. 04/2016-10 |
Publication Date | April 30, 2023 |
Submission Date | July 19, 2022 |
Acceptance Date | January 29, 2023 |
Published in Issue | Year 2023 Volume: 27 Issue: 2 |
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.