Yog nws muaj tseeb hais tias lub anopheles yoov tshaj cum - loj?

Komar - ib qho ntawm feem ancient creatures nyob rau lub ntiaj teb. Nws yog ntseeg hais tias lawv tseem nyob hauv lub Cretaceous lub sij hawm. Cov kab no muaj nyob rau tag nrho cov continents tsuas yog Antarctica. Niaj hnub no science paub ntau tshaj 3000 hom yoov tshaj cum, uas yog muab faib ua 38 genera. Nyob rau hauv Russia muaj txog ib puas hom.

Anopheles yoov tshaj cum (Latin - Anopheles) yog sawv cev nyob rau hauv lub ntiaj teb no thoob plaws ntau tshaj 400 hom, 10 uas yuav muaj nyob rau hauv cov European ib feem ntawm Russia thiab nyob rau hauv Western Siberia. Muaj ntau hom ntawm cov winged kab yog distributors ntawm Plasmodium - ib-celled cab kab mob uas yuav ua rau kis tau malaria.

Cas, nws yog ntseeg hais tias cov anopheles yoov tshaj cum - loj. Nyob rau hauv qhov tseeb, nws tsis ntau tshaj ib tug ntev ntawm 67 hli, thiab cov neeg uas ntshai ntawm cov neeg - karamory (crane yoov) - ib tug kiag li harmless. Cov neeg laus crane yoov, yoov tshaj cum pub rau nectar thiab kiag li txawm rau tib neeg. Yog li, loj yoov tshaj cum (malaria) - qhov no yog nonsense. Yuav kom paub qhov txawv nws los ntawm lub niaj zaus, paub rau peb saib, midge, koj yuav tsum paub qhov yooj yim thaj chaw ntawm cov ntshav-ib co kab kab.

Anopheles yoov tshaj cum - ib tug zoo kawg kws muaj txuj nyob rau hauv lub ntiaj teb no ntawm ntxhiab tsw. Nws tsis xav tau lub teeb mus nrhiav tau lawv prey - rau cov uas yoov tshaj cum yog rhiab heev sensors rau lub antennae. Lawv yog cov tsis tsuas rhiab rau thaum tshav kub kub tawg, tab sis kuj yuav metabolic khoom (e.g., carbon dioxide, lactic acid, uric acid). Muaj nyob rau hauv cov hws tsw ntawm lactic acid yoov tshaj cum xav ntawm ib tug deb ntawm txog peb kis lus mev.

Nyob rau hauv tas li ntawd, lub anopheles yoov tshaj cum - loj foodie. Nws prefers haus neeg cov ntshav ua ntej thiab thib ob pab pawg neeg. Nws kuj nyiam cov me nyuam cov ntshav, thiab yog hais tias koj xaiv los ntawm txiv neej los sis poj niam - nws prefers cov ntshav ntawm lub ncaj ncees txiv neej pw.

Los ntawm txoj kev, haus ntshav xwb poj niam yoov tshaj cum. Lawv yuav tsum tau mus nteg qe. Cia li ib tug nco ntawm cov ntshav yog lub hauv paus ntawm lub neej rau pua pua ntawm cov yoov tshaj cum cov qe ua.

Tus poj niam cov yoov tshaj cum yog tab tom nrhiav rau nws raug tsim txom tom qab pos, mus haus cov ntshav. Nyob rau hauv tus txheej txheem ntawm kev zom yuav siv sij hawm qhov chaw nyob rau tib lub sij hawm maturation ntawm lub qe. Rau oviposition komariha xaiv ntiav pas qhov uas muaj dej, qhib lub thoob, ib tug sab thiab m. P. Feem ntau nws nteg 120-150 qe. Yoov Tshaj Cum lub neej voj voog muaj plaub kauj ruam - los ntawm lub qe rau cov neeg laus (duab).

Qe npaj los ntawm 40 teev rau 8 hnub (nyob ntawm seb lwm tej yam kev mob). Tus menyuam kab yuav daug lawm los ntawm lub qe muaj ib tug loj ntawm 1-2 hli. Lawv pub on kab mob uas nyob rau hauv cov dej. Nyob rau hauv lub xeev no, cov yoov tshaj cum molts plaub lub sij hawm, thiab tom qab lub plaub molt ntawm lub kab tau menyuam roj hmab. Menyuam roj hmab yuav txav mus thiab ua luam dej. Los ntawm txoj kev, nws floats zoo dua ib tug kab. Tom qab ob - plaub hnub ntawm me nyuam roj hmab los npaj ya yoov tshaj cum. Tus neeg laus nyob xws li los ntawm ob lub lis piam mus rau ob lub hlis.

Yoov Tshaj Cum tom li ib txwm, nyob rau hauv tus, muaj kev ruaj ntseg. Cov kev tsis haum yog tsis tshua muaj heev. Raws li ib tug txoj cai, tom qab ib tug plev muaj tsis kaj siab - khaus, kub, nyob rau hauv qhov chaw ntawm lub tom tshwm sim o thiab liab. Yoov tshaj cum malarial ntau txaus ntshai, vim hais tias lawv yog cov cab kuj ntawm malaria thiab ib tug lossis loj tus naj npawb ntawm pathogens ntawm ntau lwm yam kab mob.

Malaria - ib tug mob loj heev. Ntawm cov hoob kawm, feem ntau ntawm nws tshwm sim nyob rau hauv lub tropics, tab sis yuav tshwm sim nyob rau hauv peb kev nyab xeeb. Feem ntau tus kab mob no yog nrog kub taub hau, ua daus no, xeev siab, ntuav, convulsions, thiab ib tug ntau yam ntawm lwm yam kev mob. Yog tsis tshua muaj thiab neeg tuag taus. Vim hais tias nyob rau hauv cov ntaub ntawv ntawm ib tug yoov tshaj cum tom mob malaria uas zoo tshaj plaws - sai li sai tau hu rau lub tsev kho mob rau kis kab mob. Procrastination yog tiag tiag zoo li txoj kev tuag.

Uas yog vim li cas nws yog ib qho tseem ceeb kom paub tias dab tsi nws zoo li tus anopheles yoov tshaj cum. Los ntawm zoo tib yam malarial yoov tshaj cum txawv elongated ob txhais ceg thiab muaj cov me me me ntsis rau ntawm tis. Thaum yuav tsaws rau tus neeg lub cev, tsis zoo li cov pa yoov tshaj cum zaum thaum uas tig mus rau ntawm qhov chaw malarial tuav plab mog thiab cov paws upwards.

Qhov tseem txhim khu kev qha txhais tau tias, ntawm chav kawm, yog kev tiv thaiv. Yuav tsum tau npaj ua ntej ua ntej teem tawm nyob rau hauv ib tug ntev kev mus ncig mus rau lub teb chaws sov los yog subtropical lub teb chaws. Tom qab tag nrho, txoj kev pheej hmoo ntawm qhov ib tug tsim txom los ntawm xws li ib tug txaus ntshai bloodsucker li cov anopheles yoov tshaj cum - loj. Thov xa mus rau kab mob tshwj xeeb rau kom sai pib noj kom tsim nyog rau cov tshuaj. Ib tug luag hauj lwm ntawm tej ncig saib neeg teb xov tooj - mus qhia rau lawv cov neeg ntawm tau kev nyab xeeb thiab cov kev tsim nyog tiv thaiv kev ntsuas.