Chinese Journal of Vector Biology and Control >
The serial toxic effects of 0.05% fipronil gel bait on Blattella germanica adults and nymphs
Received date: 2016-12-16
Online published: 2017-04-20
Objective To research the serial toxic effects of 0.05% fipronil cockroach gel bait on adults and nymphs of Blattella germanica. Methods This experiment used pipette to offer insecticide in the first efficacy experiment; and the serial toxic effect experiment was conducted using the dead insect of last serial toxic effect experiment to feed the cockroach. Results The first to fourth secondary effects of tested insecticide on adults reached 100%, the fifth secondary effects from the remains amounted to 78.3%. Against nymphs, however, only the first two secondary effects reached 100%, the third and fourth mortality were only 48.3% and 15.0%. The results indicated that 0.05% fipronil cockroach gel bait can continuously controlB. germanica effectively and it was more effectively on adults than on nymphs. Conclusion Fipronil has a good serial toxic effect on B. germanica.
Key words: Fipronil; Blattella germanica; Serial toxic effect
WANG Dong, ZHANG Xiao, LIU Hui-yuan, WANG Yong-ming, XIN Zheng . The serial toxic effects of 0.05% fipronil gel bait on Blattella germanica adults and nymphs[J]. Chinese Journal of Vector Biology and Control, 2017 , 28(2) : 157 -159 . DOI: 10.11853/j.issn.1003.8280.2017.02.015
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