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Mohammad Monobrullah,Uma Shankar,Poonam Bharti,Rakesh Kumar Gupta,Virender Kaul 한국응용곤충학회 2007 Journal of Asia-Pacific Entomology Vol.10 No.2
The susceptibility of Spodoptera litura to SlMNPV infection was markedly affected by phytochemicals ingested during the acquisition of viral inoculum on foliage of tomato and cauliflower. The LD50 values computed for second, third and fourth instar larvae assayed on tomato leaves were 254, 819 and 23395 PIBs/larva, respectively whereas, it was 326, 1719 and 43843 PIBs/larva for respective instars when assayed on cauliflower leaves. Thus LD50 values for second, third and fourth instar larvae were 1.28-, 2.09- and 1.87- fold lower, respectively in tomato leaves. Similarly, LT50 values for second, third and fourth instar larvae assayed on tomato leaves were 7.1 and 7.5 days, respectively at inoculum dose of 2.7×104 PIBs/larva whereas, it was 7.7 and 8.0 days for respective instars when assayed on cauliflower leaves at same inoculum. This result also showed that the S. litura were more susceptible on tomato leaves in comparison to cauliflower leaves as the time required for mortality was lower in tomato leaves. The possible biochemical bases for differential level of mortality of S. litura larvae on tomato and cauliflower crops needs to be investigated.
J.P. Singh,M. Monobrullah,A.K. Jaiswal,A. Bhattacharya 한국응용곤충학회 2010 Journal of Asia-Pacific Entomology Vol.13 No.1
Laboratory bioassays were carried out to evaluate the bioefficacy of some pesticides against larval Chrysopa lacciperda Kimmins, a lac insect predator, to develop a suitable strategy for field management of this serious neuropteran pest of Indian lac insect, Kerria lacca (Kerr). Seven insecticides (lambdacyhalothrin, carbosulfan,spinosad, indoxacarb, fipronil, alphamethrin and ethofenprox) were identified based on field trials against the lac insect. They were evaluated for their bioefficacy against C. lacciperda by spraying the insect directly and by exposing the insect to a residual film. Direct spray of lambdacyhalothrin (0.005 and 0.008% a.i.), carbosulfan (0.02 and 0.03% a.i.), fipronil (0.005 and 0.01% a.i.), alphamethrin (0.005 and 0.01% a.i.), spinosad (0.02% a.i.),indoxacarb (0.02% a.i.), and ethofenprox (0.02% a.i.) exhibited 100% mortality of C. lacciperda within 24 h of treatment. Fipronil (0.005 and 0.01% a.i.) and indoxacarb (0.02% a.i.) were equally effective as 100% mortality was observed within 24 h of treatment with both modes of treatment. For most insecticides, direct spray was more effective compared to residual films. It is therefore, suggested that lambdacyhalothrin, carbosulfan,indoxacarb, spinosad, fipronil, alphamethrin and ethofenprox shall be incorporated in IPM programs for the effective management of this neuropteran predator of lac insect without adversely affecting the lac insect.
Green Stink Bug (Hemiptera: Pentatomidae) Recorded as a New Pest of Olive in India
Kaul, V.,Tiku, A.K.,Shankar, Uma,Monobrullah, Md. Korean Society of Applied Entomology 2007 Journal of Asia-Pacific Entomology Vol.10 No.1
During the survey of olive orchards in Jammu and Kashmir, various insect pests were recorded infesting olive which include, olive psylla, olive black scale, scarab beetle and green stink bug. Among these green stink bug, Nezara virudula (L.) [Hemiptera: Pentatomidae] has been recorded for the first time in India.
Green Stink Bug (Hemiptera: Pentatomidae) Recorded as a New Pest of Olive in India
V. Kaul,A.K. Tiku,Uma Shankar,Md. Monobrullah 한국응용곤충학회 2007 Journal of Asia-Pacific Entomology Vol.10 No.1
During the survey of olive orchards in Jammu and Kashmir, various insect pests were recorded infesting olive which include, olive psylla, olive black scale, scarab beetle and green stink bug. Among these green stink bug, Nezara virudula (L.) [Hemiptera: Pentatomidae] has been recorded for the first time in India.