International Journal of Entomology Research

International Journal of Entomology Research


ISSN: 2455-4758

Vol. 2, Issue 6 (2017)

Studies on the toxic effect of thiamethoxam against the nymphal stage of Dysdercus koenigii fabricius (Hemiptera: pyrrhocoridae)

Author(s): Mohd Jameel, Khowaja Jamal
Abstract: Toxicity of topically applied different sub lethal concentrations (0.002, 0.004, 0.006 and 0.008%) of thiamethoxam on the 4th instar nymphs of Dysdercus koenigii was studied in the controlled laboratory condition. With increase in the sub lethal concentration nymphal mortality, nymphal and adults longevity increases significantly in the dose dependent manner, However fecundity and fertility of the affected female decreases significantly as compare to the untreated control. A significant decline in the adults emergence were also observed with increase in the sub lethal concentrations of thiamethoxam. Therefore from the current study it is concluded that thiamethoxam is very potent insecticide against the nymphs of Dysdercus koenigii under the laboratory condition.
Pages: 27-32  |  785 Views  297 Downloads
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