TITLE

Toxicity Assessment of Selected Neonicotinoid Pesticides against the Sand Termite, Psammotermes hypostoma Desneux Workers (Isoptera: Rhinotermitidae) Under Laboratory Conditions

AUTHOR(S)
Ahmed, M. A. I.; Eraky, S. A.; Fakeer, M.; Soliman, A. S.
PUB. DATE
June 2014
SOURCE
Australian Journal of Basic & Applied Sciences;Jun2014, Vol. 8 Issue 9, p238
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: Sand termites, Psammotermes hypostoma Desneux, in New Valley, Egypt cause millions of Egyptian pounds worth of damage annually, including the cost of controlling them and repairing the damage to structures. Objective: We evaluate selected neonicotinoid pesticides, Imidacloprid (20% SL), Acetamiprid (20% SP), and Thaimethoxam (40% WG and 18.6% SC), comparing to one organophosphate pesticide, Chlorpyrifos (48% EC), on sand termite, Psammotermes hypostoma Desneux workers, using two methods, cardboard-dip bioassay and termite workers-dip bioassay. However, the mortality percentage was recorded after 3, 6, 12, 24 h. Results: The toxicity from termite workers-dip bioassay method was greater than from cardboard-dip bioassay. Moreover, the LC50 values decreased after 24 h compared with the 3 h data. Furthermore, Chlorpyrifos (48% EC) considered the most potent pesticides among all pesticides tested whereas Imidacloprid (20% SL) considered the most potent among the neonicotinoid pesticides tested. Conclusion: These results indicate that selected neonicotinoid pesticides are promising tools in the potential of controlling the sand termites.
ACCESSION #
97368422

 

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