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Downloaded From IP - 111.93.2.165 on dated 14-Jan-2016 by theseinsecticides. lepidopteran predators, management of insecticides recommendedforthe hydrochloride andethofenproxareselective parasitoids (Varshney, 1976), lost duetoparasitization. Oftheeightmajor control measuresandsometimesthewholecropis However, ifst for settlementonnewshoot(Malhotra,1983). predators butallowingonlylaccrawlerstocomeout enabling trappingofallspeciesparasitoids and 60 meshnylonnetbagatthetimeofcropinoculation, and parasitoids, thebroodlac sticksarekeptinside to preventthecropfromattack ofinsectpredators sources ofincidencefortheseparasitoids. Inorder the field,broodlac(lacseed)isoneofmajor symptoms. Besides,dispersalfromexistingcropin to laccrop(5-10%)withouteasilyidentifiable chalcid group,mostofthesespeciesinflictdamage from commercialpointofview. Belongingtomainly third trophiclevelandareofconsiderableimportance rangeeni survival oflacinsects andtheincidenceofits parasitoids viz., Res., ent. J. performance ofethofenprox (10EC),cartap During thecourseofexperiments toassessthe 1995: Mishra 1975: MalhotraandKatiyar 1979:Mishra neuropteran, and lac crop(Srivastava are mostprevalentandcauseextensivedamageto Cameron and al., al., (Hymenoptera :Eulophidae)and The insectparasitoids inlacecosystemconstitute Studies ontheeffectofthreeinsecticidesviz.,ethofenprox,cartap hydrochlorideandendosulfanonthe incidence oftwomajorparasitoids Pseudohypatopa pulverea Pseudohypatopa 1976). Endosulfan,dichlorvos,cartap Effect ofethofenprox,cartap hydrochlorideandendosulfanonthe lac cropgrowingon 30 (1):71-73(2006) Chrysopa anding cropisinfested,thereareno Tachardiaephagus tachardiae tachardiae Tachardiaephagus et al., al., et Indian LacResearchInstitute,Namkum,Ranchi-834010,Jharkhand,India and Mehra,1980: A.K. Jaiswal, A. Bhattacharya, M.KumarandS. 1996: Jaiswal spp(MalhotraandKatiyar, amabilis Eublemma (Hymenoptera: Encyrtidae)onlaccrop Aprostocetus purpureus Aprostocetus Butea monosperma monosperma Butea Meyrickandthe et al., al., et Srivastava Moore Howard et al., et 2004). ABSTRACT revealed thatincidenceoftheseparasitoids wasnotaffected et Tachardiaephagus tachardiae tachardiae Tachardiaephagus given. and controlwherenoinsecticidal applicationwas to testthenullhypothesisamongst varioustreatments consideration. Analysis ofvariancewascarriedout comparison toothersandweretaken into of emerged outofthelacencrustationbutpopulation samples wastaken. Severalspeciesofparasitoids emergence ofdifferent species ofparasitoids from bags. Observationonmortality oflacinsect,and application andkeptinside60meshsyntheticnet each treeat20 cm lengthwerecollectedrandomlyassamplesfrom of 30 culturewiththehelpofarockingsprayerat dose ofendosulfan(0.05%)wereappliedonlac hydrochloride (0.05,0.075,0.1%)andrecommended 0.03 and0.04%),threeconcentrationsofcartap concentrations ofethofenprox(0.005,0.01,0.02, each replicatedthriceandacontrol.Five season laccropof MATERIALSMETHODS AND insecticides haveanyeffect ontheirincidence. of parasitoids oflacinsecttoassesswhetherthe observations werealsocarriedoutontheincidence management ofinsectpredatorslacinsect, hydrochloride (50SP)andendosulfan(35EC),for Aprostocetus purpureus purpureus Aprostocetus th Butea monosperma Butea A. purpureus purpureus A. daystage oflaccrop.Lacencrustedtwigs 30 The experimentwascarriedoutduringrainy A. purpureus purpureus A. and th and40 and rangeeni rangeeni . There wereninetreatments, T. tachardiae tachardiae T. T. tachardiae tachardiae T. th dayafterinsecticide strain growingontrees Cameron on rainyseason was greaterin Howard www.IndianJournals.com Members Copy, Not for Commercial Sale

Downloaded From IP - 111.93.2.165 on dated 14-Jan-2016 oto .028301. . 3.3 2.8 1.5 1.8 11.5 11.8 3.0 5.5 6.0 2.8 0.8 5.8 7.20 4.8 - 16.3 2.0 0.05 Control 2.5 Endosulfan 3.5 Cartap hydrochloride 20 0.005 Conc. Ethofenprox Insecticide on Table 1. do notaffect thepopulationdensityof 40 as wellamongstdifferent treatments at20 population betweencontrolanddifferentthe treatment respectively. There wasnosignificantdifference in endosulfan andincontrolwas6.03.0 respectively. Whilethecorrespondingfigurewith 1.5-5.3 and1.5-6.3per30cmlacencrustation ethofenprox andcartap hydrochloridevariedfrom of treatmentwithdifferent concentrationof difference inthepopulation.of Similarly at40 comparison tocontrol However thesefiguresdonotdiffer significantlyin only incontrolat20 cartap hydrochloride,5.8withendosulfanand2.8 with different dosagesofethofenprox,1.8-6.8with incidence of insecticides on20 indicating thesafetyoftesteddoseall cartap hydrochloridealsodoesnotdiffer significantly Similarly, mortality oflacinsectwithendosulfanand also amongstdifferent dosagesofethofenprox. between control(check)andvarioustreatments as was nosignificantdifference inmortality oflacinsect RESULTSDISCUSSION AND th Butea monosperma monosperma Butea dayofapplication.Hencethesethreeinsecticides The meanpopulationof The results presentedintable 1revealthatthere Effect ofinsecticidesonsurvivallacinsects andincidenceofits parasitoids inrainyseason A. purpureus purpureus A. th dayoftreatmentalsotherewasno th th and40 dayafter insecticideapplication. .7 323030884516.5 4.5 8.8 3.0 3.0 13.2 0.075 (values per30cmlengthofencrustation) and alsowithinthetreatments. % en%Ma enMa enMean Mean Mean% Mean Mean Mean% (%) .01. . . . . 24.5 5.3 6.8 2.0 2.5 9.3 12.0 6.0 2.8 7.7 0.0 2.5 9.7 0.0 5.2 6.3 12.0 3.5 1.5 8.0 1.5 6.8 4.0 3.3 1.8 5.3 4.0 11.4 4.8 3.8 11.0 0.10 1.8 12.0 8.0 0.05 6.3 0.04 4.5 0.03 0.02 0.01 th T. tachardiae tachardiae T. varied between1.8-4.8 dayoftreatment. The otlt fn.o o fmraiyo o fno.of no.of of mortality no.of no.of of mortality lac insect A. purpureus A. Journal of Entomological Research, March 2006 March Research, Entomological of Journal SN SN SNS NS NS NS NS NS A. purpureus A. asatrapiain40daysafterappilication days afterapplication at 20 .pruesT tachardiae T. purpureus A. . th th and day 72 Jaiswal, A.K., Bhattacharya, A., Kumar, K.K. and Kumar,K.K. Bhattacharya, A., Jaiswal, A.K., Bhattacharya, A., Jaiswal, A.K., KumarS.andKumar, REFERENCES Tewari forassistinginfieldwork. ACKNOWLEDGEMENTS population. al., et effect onlacinsect(Jaiswal hydrochloride aresuitable doseswithoutanyadverse condition 0.02%ethofenproxand0.05%cartap and insect. Formanagementof 10 EC)onlacinsectcultureformanagementof Kumar, S.2004.Evaluationofethofenprox(Nukil 7 amabilis lepidopteran predatoroflacinsect Abstract 127, Eublemma substitute ofendosulfanformanagement M. 2005.Evaluationofcartaphydrochloride asa Thanks areduetoMr. R.K.SwansiandMr. V.K. Eublemma amabilis amabilis Eublemma 47-50. Magadh University, Bodh Gaya.Bihar, India.pp. Natarajan, P., Arumugam, N.andPremjith,S.) Zoological SocietyofIndia(Eds.,Pandey, B.N., predator, In:Newhorizonof Sciences. T. tachardiae, tachardiae, T. th 2005),buttheseareineffective ontheparasitoid AZRA C AZRA onference. 83p. lac insect the twomajorparasitoids oflac Moore- Alepidopteran et al., et .pruesT tachardiae T. purpureus A. E. amabilis amabilis E. (Moore)- aserious 2004:Bhattacharya rangeeni rangeeni under field lac crop www.IndianJournals.com Members Copy, Not for Commercial Sale

Downloaded From IP - 111.93.2.165 on dated 14-Jan-2016 Mishra, Y.D., Bhattacharya, A., Sushil,S.N.,Sharma, Malhotra, C.P. andKatiyar, R.N.1975.Controlof Mishra, Y.D., Sushil,S.N.,Sharma,K.Krishan, Malhotra, C.P. 1983.Controlofpests oflacinsect Malhotra, C.P. andKatiyar, R.N.1979.Chemical Moore, amajorpredatoroflacinsect, some insecticidesagainst K. KrishanandJaiswal, A.K. 1995.Efficacy of cultivators. lacca Kerria Ent., J. Indian insecticide againstthepredatorycaterpillars. Moore II.Relativetoxicityofthevarious the lacinsect amabilis Eublemma Bhattacharya, A. andJaiswal, A.K. 1996.Efficacy control ofthelacpredator insecticides fortheirsafetytolacinsects. lacca lacca Ent., J. (Kerr).

37 : 385-396. Indian Shellac., Shellac., Indian J. ent. Res., Res., ent. J. lacca Kerria 41 (Kerr) foreasyadoptionby (2): 187-190. Moore, aseriouspredatorof 19 (Kerr) I:Screeningof 1 Eublemma amabilis Eublemma Eublemma amabilis Eublemma (6&7): 6-7&35. (4): 351-355. Effect of insecticides on parasitoids on lac crop lac on parasitoids on insecticides of Effect Indian Kerria 73 Varshney, R.K.1976. A checklistofinsectparasites Srivastava, D.C.andMehra,B.P. 1980.Studies on Srivastava, D.C,Mehra,B.P. and Teotia, T.P.S. 1976. 78. associated withlac. the Indianlacinsect, the abundanceofvariousinsectassociatedwith 194-196. insect, beneficial associatedwiththeIndianlac On therelativeabundanceofinimicaland Indian lacinsect Chrysopidae)- aserioussporadicpredatorof control of of selectedorganophosphorusinsecticidefor Ecol., Ecol., Agriculturist., Agriculturist., 7 Kerria lacca lacca Kerria (1): 96-104. (Accepted :January30,2006) Chrysopa madestes madestes Chrysopa 7 (1): 7-20. (Kerr.). Kerria lacca lacca Kerria Oriental Insects, Insects, Oriental Kerria lacca lacca Kerria Indian J. Ecol., J. Indian (kerr.) (Neuroptera: (Kerr). 19 Indian J. Indian (1): 55-

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