Gluttonous Biennial Leafworm

2024 Tus sau: Gavin MacAdam | [email protected]. Kawg hloov kho: 2023-12-16 13:40

Tus kab mob qov ntoo txhua xyoo nyob rau yuav luag txhua qhov, tab sis nws yog qhov txaus ntshai tshwj xeeb hauv thaj tsam yav qab teb ntawm Russia. Nws txoj kev nyiam nyiam suav nrog txiv hmab, dogwood, viburnum, buckthorn thiab currant, ntxiv rau euonymus, pos, maple nrog lilacs thiab lwm tus ntoo thiab ntoo. Kab ntsig ntawm cov nplooj ntoo uas muaj hnub nyoog ob xyoos feem ntau tom rau hauv paus ntawm cov tub ntxhais hluas tua, yog li ua rau lawv qhuav tawm. Ntxiv mus, txhua tus ntawm lawv tuaj yeem rhuav tshem tau txog peb caug lub paj, uas yuav cuam tshuam rau qhov ntim ntawm qhov xav tau sau

Ntsib kab tsuag

Cov ntoo nplooj ntoo uas muaj hnub nyoog ob xyoos yog tus npauj npaim muaj teeb meem nrog tis dav ntawm 13-16 hli. Nws lub tis qab yog lub teeb txho, thiab sab xub ntiag muaj xim daj-xim paj yeeb zoo nkauj thiab tau txais txiaj ntsig nrog cov paj ntoo trapezoidal ntawm cov xim av tsaus nti nrog cov xim grey-ciam hla ob sab.

Oval flattened qe ntawm biennial nplooj rollers mus txog 0.8 - 1 mm loj. Thaum xub thawj, lawv tau pleev xim rau xim ntsuab daj, thiab me ntsis tom qab lawv tau npog nrog cov xim txiv kab ntxwv zoo nkauj.

Kab ntsig, loj hlob mus txog 12 - 14 hli, yog xim liab tsaus nrog cov xim daj zoo nkauj. Lawv cov prothoracic scutes thiab lub taub hau tuaj yeem yog xim dub lossis tsaus xim av, thaum lub qhov quav ntawm cov cab no ib txwm yog xim av. Lub apices ntawm lub plab ntawm lub teeb brownish pupae tau txais txiaj ntsig nrog ib khub ntawm chitinized projections.

Lub caij ntuj no ntawm pupae ntawm cov ntoo nplooj txhua xyoo tshwm sim hauv cov paj dawb dawb nyob hauv qab cov tawv ntoo, hauv cov kab nrib pleb, qhov tawg, rab rawg ntawm kev tua, nrog rau seem ntawm cov khoom siv garter. Npauj npaim ya tawm thaum lub caij nplooj ntoo hlav thaum qhov nruab nrab txhua hnub kub txog kaum tsib txog kaum rau kaum degrees. Qhov no tshwm sim kwv yees nyob rau xyoo thib ob lossis thib peb ntawm Tsib Hlis. Npauj npaim ntawm thawj tiam ya los ntawm kaum mus rau kaum tsib hnub, thiab lawv ua qhov no thoob plaws hmo ntuj - txij tsaus ntuj mus txog kaj ntug. Tsib mus rau xya hnub tom qab tshwm sim, lawv pib nteg qe - ib lub qe rau ib lub pedicels nrog cov paj ntoo thiab cov paj, thiab tsawg dua me ntsis ntawm kev tua. Tag nrho cov txiv hmab txiv ntoo ntawm cov poj niam biennial leafworms sib txawv los ntawm peb caug mus rau ib puas qe.

Kev txhim kho embryonic ntawm kab mob parasites yuav siv sijhawm li ib asthiv thiab ib nrab. Kab ntsig thawj pub rau ntawm pedicels, thiab me ntsis tom qab lawv txav mus rau hauv zes qe menyuam thiab paj, nruj braiding lawv nrog cov cobweb silky thiab yog li tsim zes peculiar peculiar. Cov kab ntsig tsis txaus ntseeg tsim los ntawm kaum tsib mus rau nees nkaum plaub hnub, tom qab uas lawv cov menyuam kawm ntawv ntawm cov tawv ntoo, ntawm nplooj lossis ntawm qhov qhuav ntawm qhov inflorescences.

Tom qab ib thiab ib nrab rau ob lub lis piam, npauj npaim ntawm lub cim thib ob pib ya tawm, tso qe feem ntau ntawm cov txiv hmab txiv ntoo ntsuab (los ntawm txoj kev, kuj ib leeg ib zaug). Lub voracious caterpillars tawm los ntawm lawv tam sim tom rau hauv cov txiv hmab txiv ntoo, devouring cov noob thiab pulp. Cov cab no nyob hauv cov txiv hmab txiv ntoo hauv cov kab laug sab. Thaum lub sijhawm lawv txhim kho, lawv tswj kev puas tsuaj los ntawm kaum txog kaum tsib txiv hmab txiv ntoo txhua. Txoj hmoo ntxiv ntawm cov txiv ntoo puas yog nyob ntawm huab cua: thaum muaj nag lossis daus, lawv pib rot, thiab thaum huab cua qhuav lawv qhuav tawm.

Kwv yees li qhov kawg ntawm lub Yim Hli, kab ntsig ntawm lub cim thib ob ua tiav lawv qhov kev pub mis thiab, tom qab tawm ntawm cov qoob loo cog, braided rau hauv cocoons, nyob rau hauv uas lawv sai pupate. Thiab twb nyob hauv qib menyuam, lawv tseem nyob txog thaum lub caij nplooj ntoo hlav tom ntej. Thaum lub xyoo, ob tiam ntawm cov nplooj ntoo nplooj ntoo ob xyoos muaj sijhawm los tsim.

Tshwj xeeb tshaj yog cov xwm txheej zoo rau kev txhim kho cov kab mob gluttonous yog huab cua nyob hauv thaj tsam ntawm 70 - 80% thiab nws qhov kub nyob hauv thaj tsam ntawm 8 txog 25 degrees.

Yuav ua li cas sib ntaus

Thaum lub sijhawm ya davhlau ya dav hlau ntawm npauj npaim gluttonous, nrog rau thaum lub sijhawm loj hlob ntawm kab ntsig, txau nrog cov tshuaj tua kab zoo li Zolon, Chlorophos, Phosphamid, Nurell, Aktellik, Vofatox, Antio, Ripkord tau siv "," Decis "lossis "Gardona" cov.

Ntawm cov yeeb ncuab ntuj ntawm cov ntoo nplooj ib xyoo, muaj ntau yam endoparasites tuaj yeem sau tseg - ntau dua tsib caug ntawm lawv hom kab mob kis rau pupae thiab kab ntsig ntawm qhov tsis zoo ntawm cov ntoo nplooj ob xyoo. Cov no suav nrog cov menyuam ntawm tahin yoov, cov neeg caij tsheb los ntawm cov neeg tua tsiaj thiab tsev neeg ichneumonid, thiab ntau lwm tus.

Kev muaj menyuam hauv plab ntawm cov poj niam ob xyoos nplooj ntoo tau txo qis, thiab cov qe tso los ntawm lawv feem ntau tuag ib zaug thaum cov txheeb ze cov av noo qis mus rau 30 - 40%, thiab huab cua kub tshaj 31 degrees.