Tsim, Secondary kev kawm ntawv thiab cov tsev kawm ntawv
Yoov Tshaj Cum-peeper: kev piav qhia thiab cov duab
Cim tsim yaam tshab ntawm xwm nkaum ntau secrets. Ib tug tsiaj nrog rau ob txhais ceg - ib tug yoov tshaj cum-peeper - uas yuav tsum tau los sib tham nyob rau hauv no tsab xov xwm, muaj ib tug amazing multiphase lifecycle, thiab muaj peev xwm tsis tsuas noj ntshav. Cia peb xav txog cov vaj tse qauv ntawm cov tshuaj tua kab lub cev thiab nws cov theem ntawm txoj kev loj hlob.
noj cov zaub mov yoov tshaj cum
Yoov Tshaj Cum-peeper belongs rau qhov kev txiav txim Diptera kab hom Culex pipiens. Me cab nce mus txog ib tug ntev ntawm 3-7 hli. Xwm muab nws ib tug tawm "lub rooj sib hais": tsis muaj pob ntseg, cov neeg laus muaj peev xwm mus khaws cov xub ntiag ntawm sov-blooded creatures ntawm ib tug deb ntawm 30 meters. Rau lub hom phiaj no yog ib tug tshwj xeeb lub cev - rhiab antennae. Nyob rau hauv caug, lawv yog them nrog me me plaub mos mos, vim li cas yuav tshwm sim tau zoo li tus muag muag plaub.
Qhov no mechanism tso cai rau koj mus ntes tus muaj ntawm cov pojniam thaum lub sij hawm lub mating lub caij, vim hais tias nyob rau hauv cov kev tshawb fawb rau cov neeg raug ib tug txiv neej yog tsis xav tau. Nws lub ntsiab khoom noj muaj tej yam ntuj tso suab thaj. Yoov tshaj cum nrhiav tau lawv kua paj ntoo mug, Tansy thiab lwm yam teb grasses. poj niam noj cov zaub mov muaj ob tug yam - ua ntej mating nws yog noj raws li ib tug txiv neej.
Tom qab mating seev cev yuav kab tam sim no scourge los warmblooded, nrhiav kom lawv tau sau nrog cov ntshav. Yoov Tshaj Cum-peeper, lub nqua ntawm uas nyob rau hauv tus nqi ntawm cov rau daim cia mature neeg sneaking mus txog tus neeg, tej zaum yuav muaj ib tsos kob txawv ntawm lub plab hlaub, uas muaj txhawb rau nws zoo disguise. Cov tswv cuab ntawm lub hom, nrog rau xim av ntxoov ntxoo, NW nyuam qhuav pom nyob rau bark ntawm cov ntoo, thiab lub striped neeg zoo muab zais ntawm cov grasses nyob rau hauv lub undergrowth.
Vaj tse thiab txoj kev ntawm lub neej
Txhua tus neeg yuav tsum tau sawv los ntawm ib tug tom los yog annoying squeak yoov tshaj cum. Li no lub xaus hais tias lawv yog feem ntau ib tug txoj kev ntawm lub neej. Kab xav mus nrhiav zaub mov thaum tsaus ntuj, thiab nyob rau hauv lub yav tav su mus zaum nyob rau hauv qhov tsaus ntuj nti chaw - nyob rau hauv cov nyom, nyob rau hauv cov kab nrib pleb ntawm lub bark ntawm cov ntoo.
Lub nearer tus dej, hav iav, lub pas dej, qhov ntau dua qhov yuav tshwm ntawm encountering countless hordes Piskunov. Qhov no yog vim lawv lub neej voj voog, ib feem ntawm uas extends nyob rau hauv ib tug aqueous nruab nrab. Parasites yog qhov txhia chaw. Koj yuav nrhiav tsis tau lawv tshwj tsis yog tias nyob rau hauv lub Arctic los yog cov suab puam, qhov uas lawv muaj peev xwm tsis muaj me tub.
Nyob rau hauv lub caij ntuj no lub cab prefers mus nkaum nyob rau hauv lub qab lawj ntawm lub tsev. Lub xub ntiag ntawm me me puddles thiab tshav kub tso cai rau lawv mus rau "siv lub sij hawm nrog cov kev pab cuam." Pupae tig mus rau hauv ib tug neeg laus uas yoov nyob rau hauv tib neeg habitations nyob rau hauv kev tshawb fawb ntawm cov zaub mov.
lub cev qauv
yoov tshaj cum lub cev yog muab faib ua ob peb qhov chaw. Lub taub hau yog txuas mus rau lub thoracic dashboard siv peb daim hlau. Nws muaj rhiab antennae, loj compound ob lub qhov muag thiab ncauj. Nyob rau hauv nruab nrab ib feem ntawm lub cev nws yog lub hauv siab, muab faib mus rau hauv peb feem. Yuav kom nws yog txuas ob txhais ceg, plab mog thiab mis. Ntawm no yog ib tug spiracle, yog kev cob cog rua rau lub raj cua.
Vim li cas peb hnov tus yam ntxwv squeak ntawm ib tug yoov tshaj cum? Nws luam tawm paired tis nruab nrog trimmed npoo. High zaus deeg ntaus nqi los ntawm cov tib neeg pob ntseg raws li ib tug ringing suab. Tus cab ua 500-1000 cwj nrag ib ob. Cov tis muaj li ntawm txawv leeg, them nrog ib tug me me npaum li cas ntawm plaub ya ri.
Yuav ua li cas muaj ntau yam nqua muaj yoov tshaj cum-Piskun? Yuav kom teb tau lo lus nug no peb yuav tsum tau ua tib zoo xyuas cov neeg laus. Yuav kom nws thoracic mounted rau nyias ceg. Lawv muaj ib tug es complex qauv, uas tso cai rau cov tshuaj tua kab tsis yog tsuas yog nyob rau ntawm daim tawv nqaij ntawm tus neeg, tab sis kuj yuav nkag rau lawv bellies. Txhua tab muaj nyob rau thaum xaus ntawm tsib feem nrog suction khob, lub tom kawg uas yog txawm peem rau nrog ob tug claws.
Yuav ua li cas ntau cov ntshav yog tau haus dej haus ib tug poj niam?
Paub tab poj niam yoov tshaj cum txau rau cov ntshav-Piskun. Qhov no kua yog nplua nuj nyob rau hauv protein, qhov tseem ceeb rau cov tsim ntawm lub qe thiab lawv tej kev loj hlob. Yuav ua li cas npaum li cas cov zaub mov yuav nqus bloodthirsty poj niam? Starving ib tug yoov tshaj cum uas hais txog 1-2 mg, thiab ib tug neeg noj mov txog 3-5 mg. Haum txaus ntshav yuav pab kom cov tshwj xeeb tsa ntawm lub plab mog. Nws yog muab faib ua feem 10, sib thooj, los ntawm elastic week. Nyob rau hauv qhov haum ntawm cov zaub mov thiab cooj yav tom ntej zag pleura yog xav ncav us txog.
Koj puas muaj ib tug yoov tshaj cum cov hniav?
Ib tug ncauj lus kom ntxaws tshawb txog ntawm ncauj ntawm ib tug yoov tshaj cum-Piskun twb qhia los ntawm nws cov cim qauv. Cov koom haum hwj chim muaj ob khub ntawm lub puab tsaig nruab hniav. Lawv nyob rau hauv lub "cover", tsim los ntawm cov elongated daim di ncauj. Proboscis, tho ntawm daim tawv nqaij, yog muab nrog stylets. Nyob rau hauv tus txiv neej lawv yog tsis tuaj kawm ntawv. Nyob rau hauv tus txheej txheem ntawm pub lub sab puab tsaig hniav ntawm cov ntaub so ntswg los thiab drags ib co kab unit tob.
Hais tias tus neeg tsis xav threatened, cov yoov tshaj cum injects lub loog. Ib tug tom khaus los ntawm cov tshuaj tua kab faib anticoagulant uas txwv tsis pub cov ntshav txhaws.
Nws yog nthuav tias Piskun antennae pub rau na tus yav tom ntej "pub" nyob rau hauv ob peb txoj kev. Tus poj niam nta raws li lub cev kub thiab xaiv CO 2 thiab lactic acid. Cov yav tas yog tsim los ntawm tib neeg lub mis thaum hws cuab thiab bloodsucking neeg txog li 50 meters. Cov ncauj lus kom ntxaws qauv ntawm cov tshuaj tua kab lub taub hau, zoo li ib tug yoov tshaj cum-peeper (yees duab qhia), tej zaum koj yuav tau xav txog ib tug ntau nce nyob rau hauv lub electron tshuab kuaj kab mob.
tu tub tu kiv
Strolling nyob ze ntawm lub pas dej nyob rau hauv lub sov so rau lub caij, koj yuav tau saib lub mating seev cev ntawm yoov tshaj cum. Lawv tau tawm nyob rau hauv loj tej pab tsiaj. Nyob rau hauv cov ntaub ntawv no, tus poj niam emits ib tug yam ntxwv squeak nyiam qhov opposite pw ua niam txiv. Tus txiv neej picks suab thiab pom cov khub.
Qhov kawg ntawm tus poj niam pos sij hawm Piskunov sim sai tau sau nrog tshiab ntshav. Lawv nrhiav prey thiab nqus cov protein qhov chaw rau txoj kev loj hlob ntawm lub offspring. Tom qab ib co sij hawm, ib tug neeg nteg qe nyob rau hauv daim ntawv ntawm cov me me tej nkoj nquam. Lawv yog nruj nreem sib raug zoo rau txhua lwm yam nyob rau hauv lub xov tooj ntawm 20-30 tej daim. Niam zoo rau lub neej yav tom ntej kab qhov twg los ntawm sawv dej, nplua nuj nyob rau hauv cov organic teeb meem thiab tsuas ua ib ke. Yoov tshaj cum yog heev xav tau nyob rau hauv cov nqe lus ntawm txoj kev loj hlob thiab muaj peev xwm tsim txawm nyob rau hauv kuab tej kev kawm. Lawv yog tsim rau dej ntiav ntiav lub cev, tsis suav lub xub ntiag ntawm tsis - puddles, txhob txhaws thiab tej kas tham.
lub neej voj voog
Lub sab ib feem yog txawm peem rau nrog tshwj xeeb qe "daug". 2-8 hnub ntawm tso kab tshwm sim. Lawv yuav tsum mus nce lub zog thiab loj hlob. Ua li no, bloodworm me nyuam mos noj cov nyuaj kab mob, ib leeg-celled algae thiab cov kab mob. kab lub cev ntev ntawm xwb 1 hli. Tus Tsov tus tw feem muaj ib tug ua tsis taus pa raj, uas lawv Pierce qhov chaw ntawm cov dej thiab nqus atmospheric cua. Yuav ua li cas muaj ntau yam ob txhais ceg yoov tshaj cum-Piskun nyob rau hauv lub larval theem? Yog, lawv cia li ua tsis tau! Lub slightest kev hem thawj - thiab wriggling, bloodworm zais nyob rau hauv cov dej kem.
Nyob rau hauv peb lub lis piam, cov kab kis 4 theem ntawm molting. Lawv lub cev yog nce nyob rau hauv loj 8.10 hli, elongating 8 lub sij hawm. Tom qab xws li metamorphosis nrog nrog kev hloov tshwm pupae. Lawv tej zaum hu ua "devils" vim hais tias ntawm lub xub ntiag ntawm ob pa dab nyob rau hauv lub taub hau. Externally, tus bloodworm zoo li ib tug nruj nreem tsaus muag tsob ntoo cab uas tsa ib tug tsis nco qab.
Tus tom ntej loj hlob theem xaus nyob rau hauv ib lub lim tiam. Xa me nyuam rov ntaus Pupa, yoov tshaj cum kis nws tis thiab xa ya.
Cov kev pab cuam thiab harms ntawm yoov tshaj cum
Dhau li intrusiveness parasites, muaj cov kev phom sij ntawm tus kab mob los rau hauv lub tom. Ua ke nrog yoov tshaj cum-Piskun qaub ncaug nyob rau hauv tib neeg lub cev muaj peev xwm ua mus rau ib co kab mob no - Japanese encephalitis, filariasis, meningitis, avian malaria. Qhov chaw tawv nqaij tej ua intolerable khaus. Tshwj xeeb yog txaus ntshai tom kev tsis haum tshuaj, uas tej zaum yuav tsim ntau yam kev tshua xws li ua xua, ua pob liab vog thiab eczema.
Nyob rau tib lub sij hawm tso cai rau cov yoov tshaj cum kom muaj lub ntuj tshuav nyiaj li cas. Tus neeg laus kab pub rau cov noog, thiab cov kab yog ib tug tseem ceeb khoom noj khoom haus rau thoob dej yug ntses ntses. Tshwj xeeb tshaj yog pab tau yog cov ntawv qhia zaub mov rau cov hluas, uas sai sai loj hlob nyob rau hauv huv si dub npauj.
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