Lub larvae ntawm May beetles yog cov teeb meem tshaj plaws ntawm cov hu ua grubs. Lawv tuaj yeem ua rau muaj kev puas tsuaj loj rau cov nyom lossis cov nroj tsuag ornamental thiab muaj txiaj ntsig zoo hauv lub vaj. Txawm li cas los xij, muaj txoj hauv kev zoo los paub txog lawv thiab txwv lawv cov teebmeem.
Yuav ua li cas tswj thiab tiv thaiv cockchafer grubs nyob rau hauv lub vaj?
Cockchafer grubs yog cov kab mob phem uas noj cov hauv paus hniav ntawm cov nroj tsuag ornamental thiab qoob loo thiab tuaj yeem ua rau cov nyom puas. Txhawm rau tiv thaiv lawv, koj yuav tsum khawb av, tshem tawm cov larvae thiab siv predatory nematodes. Cov kev tiv thaiv muaj xws li mowing tsis tu ncua, scarifying thiab ceev faj tu av.
Lub peev xwm ua rau muaj kev phom sij ntawm cockchafer grubs
Ntawm tag nrho cov kab mob uas tshwm sim hauv peb Central European latitudes, cockchafer larvae yog qhov ntshai tshaj plaws. Thaum lub sij hawm lawv txoj kev loj hlob peb mus rau plaub xyoos, lawv noj tuab thiab puag ncig cov hauv paus hniav ntawm txhua hom ornamental thiab cov nroj tsuag muaj txiaj ntsig. Yog tias muaj qhov ntim ntau ntxiv, qhov no tuaj yeem ua rau qee qhov kev puas tsuaj, tshwj xeeb tshaj yog nyob rau hauv cov nyom nyom thiab zaub txaj.
Piv rau lub sijhawm ua ntej xyoo 1950, txawm li cas los xij, qhov kev xav ntawm cockchafers tsis muaj kev hem thawj tiag tiag. Vim tias cov tsiaj tsis tu ncua ua rau cov qoob loo tsis ua tiav thiab tsob ntoo defoliation, lawv tau sib ntaus sib tua hnyav thiab yuav luag tshem tawm kom txog rau thaum ib nrab xyoo pua 20th. Niaj hnub no, qhov kev puas tsuaj, tshwj xeeb tshaj yog nyob rau hauv private vaj, yog li ntawd es tsis txhob.
Nco ntsoov:
- May beetle larvae yog ib hom kab mob phem tshaj plaws
- Tus nab npawb ntawm cockchafers tau poob qis txij li ib nrab xyoo pua 20th
- Kev puas tsuaj nyob rau hauv lub vaj ntiag tug thiaj li nruab nrab
Yuav ua li cas koj thiaj paub txog qaib ntxhw?
Cockchafer grubs muaj ib tug heev grub-zoo li: nrog ib tug ntev ntawm 5-6 centimeters, lawv yog medium-qhov loj qhov me thiab yog li nrhiav tau yooj yim heev. Lawv tuab, zoo li kab ntsig-zoo li ntu lub cev yog nkhaus hauv C-puab. Thaum nws sau nws, nws cog lus ntau dua. Lub cev xim ntawm cockchafer grubs yog daj-creamy dawb, lub plab me ntsis thickened yog tsaus thiab lub taub hau yog xim av. Muaj 3 qhov ntev, khoov ob txhais ceg txuas rau hauv siab, uas yog cov cuab yeej khawb rau cov grub.
Kev puas tsuaj thiab sib ntaus
Cov cim qhia ntawm May beetle grub infestation yog qhuav-saib, yooj yim tshem tawm cov Islands tuaj hauv vaj nyom nyom thiab tuag ornamental thiab zaub nroj tsuag hauv txaj. Yog tias koj khawb av hauv qab cov kob ntawm cov nyom tuag, koj tuaj yeem txheeb xyuas cov cag noj thiab tej zaum cov grubs thiab. Raws li kev ntsuas thawj zaug, kev khawb thiab kev tshem tawm cov kab tsuag no ua rau kev txiav txim siab.
Rau lub hom phiaj thiab kev tswj kom tiav, nws raug pom zoo kom siv predatory nematodes (€ 29.00 ntawm Amazon) ntawm cov larvae. Koj tuaj yeem xaj cov no hauv online, piv txwv. Lawv cab cov grubs thiab tua lawv ntseeg.
Kev tiv thaiv
Txhawm rau kom tsis txhob muaj teeb meem nrog lub voracious May beetle grubs, kev tiv thaiv kuj ua rau kev nkag siab. Qhov tseem ceeb tshaj plaws, kev saib xyuas hauv av tsis tu ncua yog txhua yam thiab qhov kawg-tag nrho ntawm no, txhawm rau ua kom nyuaj rau cov neeg laus cockchafers nteg qe hauv cov nyom, koj yuav tsum mow thiab scarify nws tsis tu ncua. Qhov no yuav ntxiv dag zog rau turf.
Nyob hauv txaj, nws pab kom cov nroj tsuag mob siab rau thiab, yog tias tsim nyog, muab cov kab tiv thaiv kab rau lawv thaum lub sij hawm ya davhlau ntawm cov neeg laus kab, piv txwv li nyob rau lub Tsib Hlis thiab Lub Rau Hli. Tau kawg, qhov no tsuas yog siv rau xyoo cockchafer xwb, uas tau rov ua dua kwv yees li txhua plaub xyoos raws li lub sijhawm larval loj hlob.
Txhawm rau kom cov neeg laus cockchafers nyob deb, koj yuav tsum tsis txhob muaj teeb pom kev hmo ntuj hauv lub vaj. Lawv nyiam cov kab teeb pom kev zoo thiab txhawb nqa lawv cov chaw tsim khoom thiab tso qe.
