Gluttonous Grey Bristly Weevil

Cov txheej txheem:

Video: Gluttonous Grey Bristly Weevil

Video: Gluttonous Grey Bristly Weevil
Video: Weevil of Austria - Otiorhynchus lepidopterus 2024, Tej zaum
Gluttonous Grey Bristly Weevil
Gluttonous Grey Bristly Weevil
Anonim
Gluttonous grey bristly weevil
Gluttonous grey bristly weevil

Cov grey bristly weevil feem ntau nyob hauv hav zoov-steppe cheeb tsam, thiab tsawg dua me ntsis nws tuaj yeem pom hauv hav zoov. Kab tsuag no ua rau muaj kev puas tsuaj ntau xyoo thiab muaj hnub nyoog ib xyoos: lentils nrog taum thiab clover, ntxiv rau sainfoin thiab qab zib clover nrog taum pauv. Nws yuav tsis kam tsis kam noj alfalfa nrog lupine, ntxiv rau qee yam zaub ntsuab. Kev tawm tsam ntawm grey bristly weevils feem ntau ua rau ua tiav kev puas tsuaj ntawm nplooj ntawm cov ntaiv ntawm ntau tus lej ntawm legumes, suav nrog taum pauv, uas ua rau cuam tshuam tsis zoo rau qhov ntim ntawm cov qoob loo

Ntsib kab tsuag

Grey bristly weevil yog kab uas tuaj yeem sib txawv hauv qhov loj los ntawm 2.8 txog 4.5 hli. Hauv qab ib nrab ntawm elytra ntawm cov kab no, tuaj yeem pom daj ntseg setae, thiab lawv cov pronotum tau nruab nrog peb kab txaij daj daj.

Qhov loj ntawm lub qe ntawm cov kab mob gluttonous no yog 0.2-0.3 hli. Cov qe tso tshiab tshiab tau pib pleev xim rau xim daj-dawb, thiab tom qab qee lub sijhawm lawv tig dub. Me ntsis nkhaus me me loj tuaj txog li 4-5 hli ntev. Lawv tau pleev xim rau hauv cov xim dawb thiab muaj lub taub hau daj daj. Tag nrho lub cev ntawm cov kab menyuam tau npog nrog cov xim liab thiab zoo li cov plaub hau ntev. Thiab daj daj pupae ncav cuag 4, 5 - 6 mm loj.

Duab
Duab

Lub caij ntuj no ntawm cov kab tsis zoo yuav tshwm sim hauv cov av, feem ntau yog cov qoob loo cog qoob loo, qhov uas lawv pub rau txhua lub caij ntuj sov thiab ib feem ntawm lub caij nplooj zeeg. Thiab kab tuaj sai li sai tau thaum huab cua kub pib sov li peb txog plaub degrees. Sai li tus pas ntsuas kub nce mus txog kaum ob txog kaum kaum degrees, lawv tau qhib, thiab thaum huab cua sov mus txog kaum peb txog kaum kaum kaum degrees, lawv kuj pib ya mus. Kev tsiv tawm cov kab mob colonize tus ntaiv ntawm txhua xyoo thiab muaj hnub nyoog nrog qhov tsis txaus ntseeg. Kev rov tsim dua lub caij nplooj ntoo hlav ntawm cov plaub hau daj, nyob ntawm huab cua, feem ntau yuav siv sijhawm li tsib mus rau xya hnub. Txawm li cas los xij, nyob rau hauv huab cua qhuav nrog qhov txias txias ntau dhau lossis nrog kev hloov pauv huab cua sai sai, kev cog qoob loo ntawm cov neeg tsis txaus siab tuaj yeem ntev txog nees nkaum hnub.

Kwv yees li ntawm ib nrab ntawm lub Plaub Hlis, kev ya dav hlau loj ntawm kab pib. Twb tau nyob rau thawj hnub sov lub caij nplooj ntoo hlav, lawv pib ua rau cov nplooj ntawm cov qoob loo muaj hnub nyoog ntau xyoo. Thaum xub thawj, cov yoov pub tsis ua haujlwm, ua rau cov nyom nibbled los ntawm cov ntug ntawm cov nplooj ntoo loj tuaj. Thiab nrog kev tsim kom muaj huab cua sov tshav ntuj, kev puas tsuaj los ntawm lawv dhau los ua qhov loj. Nyob rau tib lub sijhawm, cov kab no nquag nquag nce ntaiv ntawm cov ntoo txhua xyoo thiab muaj hnub nyoog thiab pib noj nyob ntawd.

Hauv hav zoov-steppe cheeb tsam, cov cab tsis zoo ib txwm pib tso qe tsuas yog tom qab ua tiav kev pub mis ntxiv. Thiab lawv nyob feem ntau ntawm cov qia lossis hauv av. Qee zaum lawv tuaj yeem pom ntawm nplooj, txawm li cas los xij, thaum lawv qhuav tawm, lub qe yuav luag ib txwm yob rau hauv av ib yam nkaus. Lub sijhawm nruab nrab ntawm kev txhim kho embryonic ntawm cov kab mob phem yog xya mus rau yim hnub. Thiab twb dhau los ntawm Tsib Hlis mus rau Lub Rau Hli, muaj kev txhawb siab loj heev ntawm cov kab menyuam tau sau tseg, uas tom qab tsim tau plaub caug hnub.

Duab
Duab

Cov txiv hmab txiv ntoo hatched feem ntau yog cov lentils, taum dav, ntxiv rau taum pauv, lupines thiab lwm yam qoob loo. Tom qab qee lub sijhawm, lawv kawm ntawv. Hauv hav zoov -steppe cheeb tsam, nws tshwm sim kwv yees li ntawm thawj kaum hnub ntawm Lub Rau Hli, thiab hauv xyoo tshwj xeeb los ntawm lub caij nplooj ntoo hlav txias - hauv ib nrab ntawm nws. Cov menyuam dev feem ntau mloog zoo ntawm qhov tob ntawm kaum mus rau kaum ob centimeters hauv av, thiab qhov nruab nrab ntawm kab tsuag ntawm theem no yog cuaj rau kaum peb hnub. Hauv qhov thib ob thiab thaum pib ntawm peb lub xyoo caum ntawm Lub Rau Hli, kab ntawm ib tiam neeg tshiab ya tawm. Raws li rau thaj tsam steppe, muaj lawv tshwm sim thaum kawg ntawm lub Tsib Hlis lossis thawj ib nrab ntawm Lub Rau Hli. Yog li, tag nrho kev txhim kho mus los ntawm cov kab mob voracious no yuav siv sijhawm plaub caug tsib rau rau caum hnub. Cov yoov me me tam sim ntawd pib pub mis rau cov qoob loo nrog cov kua ntsuab hauv nruab nrog cev. Los ntawm cov taum pauv, lawv maj mam txav mus rau lentils nrog cov noob taum thiab lwm yam qoob loo. Thiab me ntsis tom qab lawv tsiv mus rau cov qoob loo txhua xyoo (kom qab zib clover nrog clover, thiab lwm yam), qhov uas lawv pub kom txog thaum lawv raug xa mus rau lub caij ntuj no.

Yuav ua li cas sib ntaus

Txhawm rau tiv thaiv lub hom phiaj, nws raug nquahu kom tseb tag nrho cov qoob loo nyob rau lub sijhawm luv, thaum ntxov, thaum tseb cov qoob loo cog qoob loo yuav tsum tau muab tso kom deb ntawm thaj chaw uas muaj cov qoob loo ntau xyoo. Cov av acidic yuav tsum tau limed. Thiab tom qab sau tag nrho cov qoob loo, nws yog ib qho tsim nyog yuav tsum tau khawb thaj tsam.

Txhawm rau txhawm rau rhuav tshem cov kab, lawv tau txau nrog barium chloride (kwv yees li 400 g ntawm nws yuav xav tau rau kaum liv dej) lossis Parisian greenery (rau kaum litres dej, 40 g ntawm txiv qaub thiab 20 g ntawm Parisian ntsuab).

Qhov ua tsis tiav ntawm nag lossis daus nyob rau lub sijhawm txij lub Tsib Hlis mus rau Lub Rau Hli, thaum lawv qhov kev txhawb siab loj pib, kuj ua rau muaj kev txo qis hauv cov naj npawb ntawm cov menyuam muaj teeb meem.

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