Qhov thib ob theem ntawm kev loj hlob ntawm cockchafer (aka Khrushchev) tom qab qe yog lub larva. Qee lub sij hawm nws hu ua boroznyak los yog chorobak.
Nws yog dav paub ntawm gardeners thiab ua liaj ua teb rau nws voracity, thiab yog yuav luag thawj Kab Tsuag zaub, txiv hmab txiv ntoo, ntoo thiab hav zoov cov qoob loo.
Los ntawm nws kev ua si larvae ntawm May beetle tau sib tw nrog lub larvae thiab cov neeg laus ntawm Colorado qos beetle, zoo li nrog lub bears.
Ntuj yeeb ncuab ntawm lub larvae yeej ib txwm ua av beetles, hedgehogs, moles, starlings, blackbirds, rooks thiab txawm puav. Yog hais tias tus tswv ntawm cov cuab yeej cuab tam ua liaj ua teb yuav tsum tau kho nrog cov khoom tuaj ntawm lawv tus kheej, nws yog ib qho tsim nyog yuav tsum tau coj los rau hauv tus account peculiarities thiab txoj kev ua neej ntawm no kab.
Kev piav qhia
Dab tsi li cov kab paj zoo li? Lub larvae loj hlob mus txog 4-7 cm nyob ntev, lawv muaj lub teeb lub cev loj heev elongated daj-mis xim (raws li pom nyob rau hauv cov yees duab hauv qab no), them nrog huam qees, nrog Tsov Tail me ntsis me ntsis thiab ib tsos tsaus tsawv.
Larva ntawm May Beetle - yees duab:
Yog hais tias visually piv lub larva thiab tus neeg laus beetle, thawj ib tug yuav me tshaj imago los ntawm qhov loj. Lub cev ntsws yog crowned nrog lub taub hau ib ncig ntawm ntau xim liab los yog xim daj, muaj ob lub xim liab thiab cov me me, uas pab tsis tsuas yog muab cov zaub mov, tab sis kuj mus khawb av.
Nyob rau hauv pem hauv ntej ntawm lub cev muaj 6 grasping ob txhais ceg. On lub sab nyob rau hauv ib kab yuav suav tau tias yog me me xim liabzoo li ob lub qhov muag. Nyob rau hauv ib qho chaw ntsiag to supine, lub cev ntawm lub larva ua C-puab.
Yuav ua li cas kom paub qhov txawv ntawm ib tug dais?
Yuav ua li cas qhia qhov txawv ntawm Maybot larva los ntawm larva larva? Lub larva ntawm cockchafer tsuas yuav tsis meej pem nrog bronze caterpillar thiab qee qhov lwm yam kab laum. Qhov thib ob theem ntawm kev loj hlob ntawm dais tom qab lub qe tsa li txo daim ntawv tus laus. Tsuas yog lub imago ntau xim, thiab muaj tis. Lub teeb kab nyob rau hauv loj tsis tshaj 3 cm thiab externally heev npaum li me ntsis medvedka (saib duab hauv qab no).
Nws yog tsim nyog yuav tsum nco ntsoov lub sab nraud yam ntxwv ntawm May-beetle caterpillar, yog li ntawd raws li tsis txhob confuse nrog lwm tus neeg, tsis txaus ntshai larvae. Piv txwv, bronze larva tsis ua puas rau rhizomes, tab sis enriches cov av nrog khoom pov tseg, thiab suab tsis ua cas. Koj tuaj yeem paub qhov txawv ntawm cov xim ntawm cov kis, lub taub hau me me thiab lub teeb me ntsis teeb liab.
Maybot thiab Medvedka larva: dab tsi yog qhov txawv? Duab ntawm larva dais:
Noj dab tsi?
Cov khoom noj yog dab tsi? Yog hais tias tus neeg imago muaj ib lub cev tsis haum cov tais diav, cov kab ntawm May beetle nto moo rau voracity ntau dua. Tsaug rau qhov muaj zog zaws, lub larvae noj zaub zaub mov, qee zaus crushing txawm lub zog tshaj plaws ntawm cov ntoo qub.
Thaum pib ntawm nws txoj kev loj hlob, lub boroznyak noj feem ntau me me rhizomes ntawm cov nroj tsuag thiab cov ntoo (cherry, larch, birch, spruce, ntoo qhib, cedar, thiab lwm yam), zoo li zaub humus.
Nrog rau qhov pib ntawm huab cua txias, lub larva nrhiav tob nyob rau hauv hauv av (mus txog ib lub meter) kom tos tawm txias, thiab los ntawm lub caij nplooj ntoos hlav nws nce dua rov mus rau saum npoo. Muaj nws ua kevcai yoo mov shrub keeb kwm (dub currant) thiab lwm yam nroj tsuag, nrog rau zaub.
Ncav 2 xyoo, lub larva pib noj woody keeb kwm, qhov muag teev, qos tubers, turnips thiab yog li ntawd
Yuav ua li cas mus xyuas?
Qhov twg yuav nrhiav tau cov Maybot larva? Habitat, raws li Khrushchev, thiab cov larvae kis tawm dej ntws thiab hav zoov, nyob rau hauv ntug hiav txwv, meadows thiab agricultural thaj chaw. Qhov chaw zoo tshaj plaws rau lawv - ntub thiab sov so, nplua nuj nyob rau hauv cov kev pab cuam (humus) thiab uas yog yooj yim kom loosen.
Nyob rau hauv summertime, lub larvae cia li pib mus rau hatch los ntawm lub qe nyob rau hauv nruab nrab-kab ntawm qos plantations thiab pob kws. ntawm qhov tob ntiav (tsawg dua 20 cm). Yog hais tias lub caij no kub, nrog tsawg los nag, lub larvae ntawm May beetle mus nyob rau hauv hauv av rau ntau tshaj ib nrab ib Meter.
Ib qho ntxiv nyiam chaw lub larvae yog suav hais tias yuav tsum tau overgrown nrog weeds thiab qus bushes, qhov chaw nyob rau hauv keeb kwm ntawm ntau yam ntoo, thiab raws li rotten qub stumps.
Muaj pes tsawg lub neej?
Txheem, tag nrho lub voj voog ntawm tus furrow yog 4 xyoos, vim li ntawd, qhov nruab nrab May beetle yuav nyob li ntawm 5 xyoos. Nyob rau hauv lub xyoo tas los ntawm lub neej, lub larva nkag mus rau hauv tub ntxhais kawm theem, yog li ntawd tom qab ob peb lub hlis tig mus rau hauv crunches.
Nws ua mob li cas?
Ntau lub hav zoov thiab cov qoob loo ua liaj ua teb raug kev txom nyem los ntawm kev ua si tseem ceeb ntawm cov txiv neej paub tab ntawm May Beetle. Cov tub ntxhais hluas tsis tuaj yeem coj teeb meem ntau - Thaum xub thawj, tsuas yog cov herbal keeb kwm muaj nyob rau hauv lawv cov noj haus.
Gnawing lub keeb kwm thiab underground tubers, lub fallow av yuav tsis tsuas qeeb ntawm txoj kev loj hlob thiab kev loj hlob ntawm cov nroj tsuag tseem ceeb, tab sis kuj cia ntau kab mob thiab cov cab txav ntawm qhov puas.
Los ntawm vaj teb ntoo los ntawm jaws ntawm larvae ntawm Khrushchev raug kev txom nyem txiv apples, apricots, pears, lwm yam zoo li Txawm berries zoo li strawberries thiab strawberries yog nyob rau hauv kev hem thawj, yog hais tias nyob rau hauv hauv av on lub txaj brute larvae yog bred.
Larva ntawm May May beetle nyob rau hauv lub pupal theem - yees duab:
Lub txim yog dab tsi?
Ntxiv nrog rau qhov poob ntawm qos yaj ywm, pob kws thiab lwm yam zaub, orchards nrog txiv hmab txiv ntoo ntoo thiab Berry bushes muaj peev xwm raug kev txom nyem tseem ceeb losses. Vim lub larvae ntawm hauv paus system ntawm cov nroj tsuag nrawm dua, ces tuag.
Tsuas yog vim lub ntuj thiab tib neeg kev tswj hwm ntawm cov neeg, lub larvae ntawm May beetle tsis ua puas tag nrho hav zoov thiab kev ua teb loj loj. Los ntawm kev noj haus ntawm cov tub ntxhais hluas, cov nyom-nyom tuaj yeem poob lub zog ntawm cov nyom nyom, thiab kev noj haus ntawm cov txheeb ze laus yog qhov txaus ntshai rau ntau cov kabmob thiab cov nroj tsuag.
Maybot larvae tau ntev tsim lawv tus kheej li lub ntsiab kev hem thawj rau hav zoov thiab vaj zaub nroj tsuag. Tshaj lawv lub neej ntev ntev, cov av ntog tsis muaj peev xwm ntsaw cov zaub mov ntau yam xws li qos yaj ywm tubers, tab sis yuav ua rau lub hauv paus ntawm cov nroj tsuag ntawm txiv hmab txiv ntoo thiab txiv hmab txiv ntoo.
Lawv siv feem ntau ntawm lawv lub neej sib sib zog nqus underground tab tom nrhiav khoom noj thiab thaum lub sij hawm wintering ntev. Cov qauv ntawm lub cev pub rau lawv kom khawb underground nqe mus rau lub cij appetizing, uas lawv gnaw mus nrog lawv cov mandibles.
Qhov no yog li cas ib tug qos noj los ntawm ib tug May beetle larva zoo li:
Zoo siv nrog fleshy whitish pests tsuas yog mechanically assembled los ntawm txhais tes. Rau lub hom phiaj no, tus naj npawb ntawm cov khoom tsim nyog tshuaj lom neeg thiab tshuaj lom. Raws li txoj kev ntawm tawm tsam, thiaj li kom txuag tau qoob loo, tshwj xeeb cuab yog teem, manure yog ua tib zoo cai ua ntej chiv.
Khrushchev larvae tau coj muaj txiaj ntsim zoo xwm thiab txiv neej. Lawv nyob hauv ib qho chaw muaj txiaj ntsim nyob rau hauv ntau cov khoom noj chains, pab txhawb qhov cua ntawm cov av.
