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Smitha, S.
- Biology and Feeding Efficacy of the Anthocorid, Blaptostethus pallescens Poppius on Oligonychus coffeae in Tea
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PDF Views:218
Authors
Affiliations
1 Department of Entomology, UPASI Tea Research Foundation, Valparai, Coimbatore – 642 127, Tamil Nadu, IN
1 Department of Entomology, UPASI Tea Research Foundation, Valparai, Coimbatore – 642 127, Tamil Nadu, IN
Source
Journal of Biological Control, Vol 31, No 4 (2017), Pagination: 198-200Abstract
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.Keywords
Blaptostethus pallescens, Biology, Predator, Red Spider Mite, Tea.References
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- Taxonomy, Bionomics and Predatory Potential of Eocanthecona concinna (Walker) (Hemiptera: Pentatomidae: Asopinae)
Abstract Views :294 |
PDF Views:174
Authors
Affiliations
1 UPASI Tea Research Foundation, Valparai, Coimbatore - 642127, Tamil Nadu, IN
2 National Bureau of Agricultural Insect Resources, Bangalore - 560024, Karnataka, IN
1 UPASI Tea Research Foundation, Valparai, Coimbatore - 642127, Tamil Nadu, IN
2 National Bureau of Agricultural Insect Resources, Bangalore - 560024, Karnataka, IN
Source
Journal of Biological Control, Vol 32, No 2 (2018), Pagination: 81-86Abstract
Eocantheocna concinna (Walker) is recorded as an important predator of lepidopteran pests in tea plantations of South India. It is described for the first time based on male and female genitalia. Biology of this predator was studied on Corcyra cephalonica larvae. Egg incubation period was 14.3 ± 0.4 days. Five nymphal instars were developed in a period of 33–36 days. Feeding efficacy of different instars of E. concinna was evaluated on third instar tea looper, Biston suppressaria. Results showed fourth and fifth instars of E. concinna attacked faster on B. suppressaria. The study describes E. concinna as a potential predator of various lepidopteran pests in tea plantations and a promising candidate for biological control of looper pests.Keywords
Biology, Predatory Stink Bug, Predatory Efficiency, Lepidopteran Pests, Taxonomy.References
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