Seasonal Occurrence of Henosepilachna vigintioctopunctata (F.) (Coleoptera: Coccinellidae) and Its Parasitoid on Ashwagandha in India |
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| Affiliation: | 1. Department of Forest Protection and Entomology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Kamýcká 1176, CZ-165 21, Prague 6-Suchdol, Czech Republic;2. Department of Invertebrate Biology, Evolution and Conservation, Institute of Environmental Biology, Faculty of Biological Science, University of Wrocław, Przybyszewskiego 63/77, PL-51-148 Wrocław, Poland |
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| Abstract: | The outbreak of Henosepilachna vigintioctopunctata (F.) was noticed on a medicinal plant, Withania somnifera Dunal during 2004-05. The population level of the pest was reached its peak in August. The parasitoid Pediobius foveolatus caused 51.94%±12.20% parasitism. The pest completed its life cycle in 20.15±1.50 days on W. somnifera. The longevity of the male and female adults of the pest was 22.07±3.71 and 31.07±4.38 days, respectively. The gravid females of H. vigintioctopunctata laid an average of 287.64±33.38 eggs during their oviposition period of 10.40±2.80 days. |
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