Maggots nyob rau hauv walnuts: ua, kev puas tsuaj & zoo daws

Cov txheej txheem:

Maggots nyob rau hauv walnuts: ua, kev puas tsuaj & zoo daws
Maggots nyob rau hauv walnuts: ua, kev puas tsuaj & zoo daws
Anonim

Yog hais tias lub pericarp ntawm koj walnuts dub thiab greasy thiab cov txiv ntseej tsis ripen zoo, koj cov ntoo walnut tej zaum yuav kis tau nrog cov txiv hmab txiv ntoo yoov. Ib qho teeb meem ntxhov siab, tab sis ib qho uas tuaj yeem tswj tau nrog kev ntsuas zoo ib yam.

maggots-hauv-walnuts
maggots-hauv-walnuts

Dab tsi yog qhov ua rau thiab kev daws teeb meem rau maggots hauv walnuts?

Maggots nyob rau hauv walnuts yog ib tug kos npe rau ntawm ib tug walnut txiv hmab txiv ntoo ya kab. Raws li kev tiv thaiv, cov txiv hmab txiv ntoo cuam tshuam yuav tsum tau muab tshem tawm thiab cov av hauv av muab tso rau hauv qab tsob ntoo kom tiv thaiv cov maggots los ntawm kev tawg rau xyoo tom ntej.

Walnut Fly in portrait

Walnut txiv hmab txiv ntoo yoov yog ib tug drilling ya thiab, nrog nws cov qauv xim, zoo nkaus li zoo ib yam li cov txiv hmab txiv ntoo yoov, kuj yog kab tsuag. Cov neeg laus muaj qhov loj tib yam li cov tsev yoov thiab muaj lub cev zoo sib xws. Lub walnut txiv hmab txiv ntoo ya tau qhia los ntawm Tebchaws Meskas, qhov uas nws tsim teeb meem loj rau kev cog qoob loo walnut, uas yog ib feem tseem ceeb ntawm kev lag luam xa tawm muaj.

Walnut txiv hmab txiv ntoo yoov muaj ib lub voj voog ib xyoos: nws overwinters li pupated larvae nyob rau hauv cov av thiab tshwm sim nyob rau hauv Lub Xya hli ntuj ntawm lub xyoo tom ntej. Lub caij davhlau thiab kev sib tw yog nyob nruab nrab ntawm lub Xya Hli thiab Lub Cuaj Hli. Cov poj niam mated nteg ib ncig ntawm 15 qe ib walnut. Cov maggots hnia nyob ntawd thiab pub zaub ntsuab rau thaj tsam li 3-5 lub lis piam mus txog thaum lawv pupate.

Tus yam ntxwv ntawm cov txiv hmab txiv ntoo walnut ya hauv luv luv:

  • Belongs to the borer yoov
  • Size of a housefly, spotted coloring like cherry fruit fly
  • Qhia rau Tebchaws Europe los ntawm Tebchaws Meskas
  • Zoo thiab sib yuav lub caij July-September
  • kwv yees 15 qe (thiab maggots) ib txiv hmab txiv ntoo
  • Ntsia ntawm ntsuab pericarp maggots

Cov yam ntxwv kis mob

Koj tuaj yeem paub txog kev kis kab mob los ntawm cov txiv hmab txiv ntoo dub, roj txiv ntoo ntawm koj cov walnuts. Hloov, cov dots dub tuaj yeem pom nyob rau ntawm qhov chaw tso qe. Cov txiv hmab txiv ntoo uas noj tau feem ntau tsis tuaj yeem sib cais los ntawm lub plhaub txiv ntoo, txawm tias tsuas tshuav me ntsis xwb.

Cov txiv ntoo nws tus kheej tsuas yog cuam tshuam ncaj qha vim tias qhov txo qis pericarp loj tsis tau noj kom zoo. Qhov no txhais tau hais tias cov txiv ntoo kernels tsuas yog me me xwb. Vim yog cov txiv hmab txiv ntoo dub cov seem uas nyob ruaj khov rau lub plhaub, cov txiv ntoo tsis zoo li ntxim nyiam thiab tsis tuaj yeem muag yam tsis muaj kev tu ntau nrog lub tshuab nqus tsev siab (€ 105.00 ntawm Amazon) thiab tom qab ziab.

Countermeasures

Txhawm rau txwv tsis pub muaj kab mob tshwm sim txhua xyoo, cov kev ntsuas hauv qab no tau pom zoo: Yog tias muaj kab mob maggot tau tshwm sim lawm, koj yuav tsum tau sau tag nrho cov txiv hmab txiv ntoo cuam tshuam los ntawm tsob ntoo thiab khaws lawv hauv av. Xyoo tom ntej nws raug pom zoo kom nteg ib qho av fleece hauv qab tsob ntoo txij lub Rau Hli mus txog rau. Qhov no tiv thaiv cov pupated maggots los ntawm hatching thiab tawm hauv av. Tej zaum lawv txawm raug tua los ntawm cua sov.

Pom zoo: