Cov ntau hom ntawm yoov tshaj cum

Koj puas xav hais tias tag nrho cov yoov tshaj cum gray, buzz thiab lwj tus so tus neeg? Tsis tag nrho. Nyob rau hauv lub ntiaj teb no muaj ntau tshaj 2,500 hom kab.

Haus tib neeg cov ntshav, tsis yog txhua txhua hom ntawm yoov tshaj cum. Ib txhia ntawm lawv xav kom "plob hav zoov" rau tus nees thiab noog, thaum lwm tus neeg xav cov ntshav ntawm cov qav thiab cov lizards, muaj cov neeg uas noj xwb cov ntshav ntawm dragonflies. Thiab ib co hom yoov tshaj cum tsis txhob haus dej haus ntshav. Cov xim ntawm cov kab yog tseem sib txawv heev. Zoo kawg li zoo nkauj tsos Sabetes tsev neeg ntawm yoov tshaj cum tam sim no. Nws tau kab tho-azure xim, thiab ob txhais ceg ntawm cov yoov tshaj cum yog dai kom zoo nkauj nrog ntxuav txhuam. Splendor thiab brightness tiab cia li mus phim cov ib puag ncig: sabetes yog pom nyob rau hauv Paraguay thiab Guiana. Muaj hom yoov tshaj cum kaj liab, tho txiv kab ntxwv, daj thiab dub. Txawm li cas los, lawv tsis tau pom nyob rau hauv Russia. Yoov tshaj cum yog heev fond ntawm tshav kub thiab humidity, ces tus loj tshaj ntau haiv neeg ntawm hom nyob rau hauv lub tropics. Yoov Tshaj Cum tsiaj nyob rau hauv Russia sawv cev tsuas 120 npe. Feem ntau ntawm tag nrho cov nyob rau hauv peb lub teb chaws, yoov tshaj cum ntawm lub genus Anopheles. Lawv pom qhov txhia chaw tsuas yog cov Far East, thiab yog ib tug distributor ntawm malaria. Tsis tau peb ua tau raws li tus phooj ywg Tipulidae, tom Culicidae thiab ib co lwm cov tsev neeg tsis noj ntshav.

Hom, genera thiab cov tsev neeg

Yoov tshaj cum - yog cov ze tshaj txheeb ze ntawm baleen yoov. Lawv pom luag tag nrho cov thoob lub ntiaj teb. Koj muaj peev xwm tsis tau tshwj tsis yog tias lub yoov tshaj cum rau hauv ib ncig ntawm lub permafrost. Tag nrho cov hom ntawm cov yoov tshaj cum (duab muaj nyob rau tshwj xeeb cov kev pab) yuav tau muab cais los ntawm tsuas yog ob peb cov tsev neeg:

• Yoov tshaj cum muaj tiag. Qhov no tsev neeg Culicidae feem ntau hu ua cov ntshav-nqus los yog kulitsidami. Pojniam ntawm cov tsiaj ntawm yoov tshaj cum pub rau cov ntshav (tsis tas tib neeg), thiab txiv neej - nectar. Tej zaum vim hais tias ntawm lawv cov quav intoxicating kua paj ntoo, tag nrho cov ntawm cov vitamins, cov txivneej feem ntau saib loj thiab txawv los ntawm cov maum loj loj mustache. Cov xim ntawm cov tsiaj ntawm yoov tshaj cum yuav ua tau dab tsi: nws tag nrho cov nyob rau hauv lawv lub yeej.
• Tipulidae, los yog crane ya, yuav ua ceeb nyob rau hauv feem ntau ntawm cov nroog dwellers. Lawv mam li nco dheev ya tawm ntawm lub qhov rais thiab dai ntawm lub qab nthab los yog, cov roj hmab nws ntev ob txhais ceg, los yog cov ruam yoov tawm ntawm cov nyom. Yes, nws yog lawv heev tsis ncaj ncees hu ua malarial yoov tshaj cum. Nyob rau hauv qhov tseeb, crane-ya - lub feem ntau txawm hom yoov tshaj cum. Ib txhia ntawm lawv tsev neeg noj xwb lwg los yog kua paj ntoo, thiab lwm yam ... tsis noj tej dej los yog khoom noj khoom haus. Lawv txawm tsis muaj tus proboscis. Cov kab ntawm cov yoov tshaj cum muaj ib tug lossis loj lub qhov ncauj uas lawv zoo siab gnaw cov keeb kwm ntawm cov nroj tsuag. Cov laus tseem tsis tau heev swift, li ntawd, lawv feem ntau qaug rau cov noog. Nyob rau hauv thiaj li yuav txuag nws txoj sia, crane-yoov sab laug mus rau tus yeeb ncuab nws txhais ceg, tab sis ya mus ciaj sia. Yog hais tias koj yuav saib saum toj no rau hauv cov nyom puv ib yoov tshaj cum, yuav luag kov hauv av plab, paub hais tias nws yog tus poj niam nteg qe.
• Cov tsev neeg npauj yoov yog heev unpleasant ntau yam. Qhov no yoov tshaj cum - zoo, ntxuav bloodsucking ua muaj peev xwm ntawm kis tib neeg leishmaniasis los yog kub ib ce yoov tshaj cum. Cov loj cov kab mob yeej tseem muaj nyob rau hauv Asia, Africa thiab lwm lub teb chaws nrog ib tug tauj los yog subtropical kev nyab xeeb. Qhov zoo ces, tsis pub dhau Lavxias teb sab yoov tshaj cum tsis pom. Cov tib tsev neeg yog kiag li txawm npauj yoov. Cov yoov tshaj cum tau txais nws lub npe vim hais tias ntawm lub zog zoo sib xws nrog me quav butterflies muag muag.
• Mote tsev neeg los yog Simuliidae, sawv cev los ntawm 1500 hom. Lawv tom mob, nyob rau hauv khiav dej los yog tom ntej no mus rau nws.
• Chironomids paub ntau fishermen raws li ib tug "joker" - lawv tsis tom.

Muaj tolstohobotnye yoov tshaj cum, midges thiab midges, yoov tshaj cum thiab limonidy mushroom, txiv hmab txiv ntoo thiab earthy gnats. Txhua tsev neeg muaj xws li txhiab ntawm tsiaj. Txhua yam ntawm lawv nws muaj nws tus kheej tej vaj tse.