Pom lub thawv ntoo borer nyob rau hauv tag nrho nws cov theem ntawm kev loj hlob tuaj yeem cawm lub thawv lub neej. Kev sib ntaus yuav tsum tsis yog tsuas yog pib thaum pua pua ntawm voracious caterpillars tua lub hav txwv yeem. Qhov tshwm sim ntawm kev kis kab mob tsuas yog kev puas tsuaj loj heev.
Yuav ua li cas kuv thiaj paub tus npauj boxwood?
Tus npauj npaim me me thiab tsis pom kev, nyob ntawm lwm cov nroj tsuag thiab tsuas yog tso nws cov qe rau ntawm lub thawv. Qe yog me me, daj ntseg thiab zoo muab zais rau hauv qab ntawm nplooj. Kab ntsig muaj txog li5 cm ntev, ntsuab xim thiab hnyav heev.
Thaum twg npauj npaim ya thiab kuv tuaj yeem pom lawv li cas?
Nyob hauv lub teb chaws Yelemees cov npauj npaim yognyob rau lub caij nplooj ntoos hlav thiab lub caij ntuj sov. Kwv yees li ob zaug hauv ib xyoos, lossis ntau zaus hauv thaj chaw sov ntawm lub tebchaws, lawv ncig lub thawv kom tso lawv cov qe rau ntawm nws. Txij thaum nruab nrab lub Tsib Hlis, teeb tsapheromone ntxiab rau borers kom ntes tau qee yam qauv. Qhov no tsis yog kev ntsuas kev tswj hwm, tab sis tsuas yog npaj los pab koj txheeb xyuas qhov kis mob ntxov. Cov yam ntxwv ntawm tus npauj npaim muaj xws li:
- dab tis nrog xim av-dub ciam teb
- Pab plab muaj xim zoo sib xws
- 4 txog 4.5 cm wingspan
- nyias nyias, ntev fillers
- dub qhov muag
Kuv tuaj yeem pom cov qe hauv lub sijhawm li cas?
Cov qe thawj zaug tuaj yeem tso tau thaum lub Plaub Hlis, tom qab ntawd thaum nruab nrab Lub Xya Hli thiab thaum kawg lub Cuaj Hli. Koj yuav tsum kuaj xyuashauv qab ntawm nplooj tsis tu ncua, tshwj xeeb tshaj yog tom qab pom tus npauj. Cov qe zoo lime me, tiaj lentils, tsuas yog ob peb millimeters loj thiabdaj daj xim. Tsis ntev ua ntej larvae hatch, ib tug dub dot yuav pom. Tus npauj boxwood nteg nws cov qe me me, ntom pob ntawm ib ncig ntawm 20 daim.
Yuav ua li cas cov neeg laus boxwood npauj kab ntsig zoo li?
Tseem yogdaj-ntsuab mus rau xim ntsuab tsaus ntuj, uas kuj yog ib tug zoo camouflage. Contrasting splashes of xim los yogPatternare:
- ntsuab-dub taub hau capsule
- dub thiab dawb kab txaij ntsug
- dub dots raws kab txaij
- white bristles
Yog tias koj xav pom cov kab ntsig thaum ntxov txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau koj yuav tsum tshem tawm cov kab tsuag, koj yuav tsum khoov cov ceg ntoo mus rau sab thiab saib mus rau sab hauv ntawm lub kaus mom, vim tias kev kis kab mob pib los ntawm qhov ntawd. Larvae hnia peb hnub tom qab tso lawv cov qe, tab sis tsis txhob loj heev kom txog rau thaum lub caij ntuj sov.
Tus qauv kev puas tsuaj twg kuv tuaj yeem siv los paub txog lub thawv ntoo?
Tus larvae ntawm boxwood npaujnoj cov nplooj thiab tig rau hauvLawv pib hauv lub kaus mom thiab ua haujlwm sab nraud. Qhov no yog vim li cas tus kab mob tuaj yeem nyob mus ntev yam tsis muaj cov tsos mob pom. Yog tias nws tseem tsis tau tshawb nrhiav ntev los yog muaj zog heev, tag nrho cov hav txwv yeem noj tau liab qab thiab tuag.
Tip
Prune cuam tshuam boxwood thaum ntxov xyoo
Lub xeem tiam ntawm larvae overwinteres nyob rau hauv lub boxwood, nyob rau hauv nruj nreem woven cocoons. Nqa mus rau thawj pruning ntawm lub xyoo mus rau thaum pib ntawm lub Peb Hlis. Ua li no, koj tuaj yeem siv cov clippings tshem tawm ntau cov larvae ua ntej lawv tuaj yeem txhim kho ntxiv thiab rov ua haujlwm dua.
