Biology and feeding efficacy of the anthocorid, Blaptostethus pallescens Poppius on Oligonychus coffeae in tea
Authors
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Department of Entomology, UPASI Tea Research Foundation, Valparai, Coimbatore – 642 127, Tamil Nadu ,IN
Kodakkadan Srikumar -
Department of Entomology, UPASI Tea Research Foundation, Valparai, Coimbatore – 642 127, Tamil Nadu ,INS. Smitha
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Department of Entomology, UPASI Tea Research Foundation, Valparai, Coimbatore – 642 127, Tamil Nadu ,INB. Suresh Kumar
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Department of Entomology, UPASI Tea Research Foundation, Valparai, Coimbatore – 642 127, Tamil Nadu ,INB. Radhakrishnan
DOI:
https://doi.org/10.18311/jbc/2017/18157Keywords:
Blaptostethus pallescens, biology, predator, red spider mite, teaAbstract
The anthocorid predator, Blaptostethus pallescens Poppius was studied for the first time on red spider mite (RSM), Oligonychus coffeae Nieter. Laboratory studies indicated that B. pallescens can be successfully reared on RSM. Incubation period was 4.4 ± 0.34 days. The total developmental period of five nymphal instars to adults was 17.1 ± 0.34 days. Blaptostethus pallescens nymphs consumed RSM in the range of 3.83 ± 0.18 to 17.37 ± 0.95/day. Female B. Pallescens consumed more mites than male. The study clearly showed B. pallescens is a promising candidate in tea plantations for the control of red spider mite.
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Accepted 2018-02-01
Published 2018-04-06
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