南华松叶蜂生物学习性观察及防治试验

374Vol.37No.420108JournalofJiangsuForestryScience&TechnologyAug.2010:1001-7380(2010)04-0028-03姜明成,郑平(,561100):20100415;:20100531:(1969-),,,,,:1a2,,17~82,,,,40%~88%,,:;;:S76343:APreliminarystudyonbiologicalcharacteristicsandcontrolofDiprionnanhuaensisXiaoJIANGMingcheng,ZHENGPing(FineSeedOrchardofPinusarmandiiinPingbaCounty,Pingba561100,China)Abstract:InPingbacountyofGuizhouprovince,twogenerationsofDiprionnanhuaensisXiaooccureachyear.Thispestoverwintersinolderlarvalstageinthecocoon.FromJulytoAugust,thelarvaoffirstgenerationemergeandfeedon2yearoldneedles,andcausesporadicaldamageintheorchard.Thelarvausuallyliveinagroupandthereforeitishelpfulforartificialcontro.lAccordingtotheresultsoftheindoorrearingobservation,upto40%-88%ofthelarvawereparasitizedbymembersofIchneumonidaeandTachinidae,whichindicatedthegreatpotentialofnaturalcontrolofthepestbyprotectionandapplicationofnaturalenemies.Keywords:DiprionnanhuaensisXiao;Biologicalcharacteristics;Control(DiprionnanhuaensisXiao)1989,120hm2,,19892006:1南华松叶蜂生物学习性观察1.1,1a2,,6,10d,6,,7,5,30~45d(9),8,(),81,102,,,711(1)1.2,,(),,3:00~4:00,,,,,,,,,,2,1,,,10~15,12~3,115~168,10~12d,100%()5~8d,4~6d,06~07,,,()1123456789101112(-)(-)(-)(-)(-)(-)(-)(-)(-)(-)(-)+++1-------(-)(-)(-)(-)(-)(-)(-)(-)(-)(-)(-)(-)------+++++++2---------(-)(-)(-)(-)++---(-)(-)(-)+;;-;(-);;,1,,,006mm,2,015mm,3,06mm,1~2cm,3,,,22mm10.04~0.080.060.2~0.250.2220.10~0.200.150.30~0.600.4530.40~0.800.600.80~2.201.1040.80~1.501.252.20~3.502.8051.50~1.701.603.50~4.203.805,,1212,2,2~3,5(),,21,1,,,,,,,1,,78,,2野外调查与防治试验2.120017,,1,4111hm29m,,9,,19,233%,1~2m,,,2.2,294::(1):;(2):;:(3)19891051,6375%,4805%1998777,8804%,8574%,,,,,2.32.3.1试验方法3~5,,,2:30~3:00,,24h48h2.3.2选择的农药品种;20%,(1976);50%,;()25%,;,20%;50%;40%,,73室内防治结果3324h/%48h/%1250203101497514370.4415001184638986454.241100018714926.2013411500251120478118172.1111000288174604221474.3125%11500311117376212339.55CK36920541500405405100100110006346341001001150061961910010050%12000604474784856493.3813000914843922389898.25140004524449823452100CK4846123612315000429421981342899.97()25%110000321321100100115000384346901034790.36CK48460011300033533510010015000418416995241810020%180004194089737419100CK2643113110006266261001001200046846810010050%1300049049010010014000555555100100CK418307311000484430888448410012000677651961667599.7040%13000419405966641899.9614000537485903153599.63CK35720006(下转第40页)3037125%WG/(/10)4d/(/30)8d/(/30)14d/(/30)/%/%/%/%/%/%25%WG120001732982891323212034189855.7560.65bB28322924937129.4336.66bB10379756528.9236.39bB25%WG100001781292212223241394698964.9567.36bB14210718858936.0340.43bB4421672964.4566.59aA25%WG8000150185210273332624646874.7081.74aA1451911548164.4074.32aA3811551873.0780.06aA10%150016899297233231114719879.9686.11aA1722212413371.8880.52aA1839674862.0373.56aACK14835221736538965142528455136931836615274831443讨论(1)25%WG8000,,,,(2)25%WG,,,,,,:[1],.[M].:,2001.[2],,,.[J].,2005,25(4):3944.(上接第30页)3,,262%~7044%;,3955%~7431%;5,93%1000,,24h100%4结论与讨论,,,,,,,,,781,,100,,,,,()4037