Tus yoov tshaj cum yog yoov ntawm suborder Cyclorrhapha. Nws ntseeg tau tias tau hloov zuj zus nyob rau hauv Cenozoic Era, tej zaum nyob rau hauv Middle East, thiab tau kis thoob plaws lub ntiaj teb no raws li ib tug commensal ntawm tib neeg. Nws yog hom yoov tshaj plaws nyob hauv tsev.
Yuav tsev yoov nyob 24 teev?
Ib lub tsev me ya zaum ntawm nplooj ntub ntawm tsob ntoo thaum Lub Kaum Ib Hlis 14, 2012, hauv Bremerton, Washington's Blueberry Park. Thaum kawg nws mus txog rau theem neeg laus, cov yoov tshaj cum (lossis Musca domestica) nyiam nyob li ntawm ob mus rau peb lub lis piam, tab sis tuaj yeem nyob ntev li ob peb lub hlis.
Yav tsev ntev npaum li cas yuav yoov tuag?
Qhov ntev ntawm lawv lub neej voj voog nyob ntawm seb cov yoov nyob qhov twg. Cov kab no nyob ntev dua li cov neeg laus hauv qhov chaw txias dua, tab sis yug sai dua hauv cov huab cua sov. Hmoov tsis zoo, lub tsev ib txwm siv los yog kev lag luam muab cov kev nyob zoo rau cov kab no. Qhov nruab nrab, tus yoov tuaj yeem nyob ob mus rau peb lub lis piam.
hmo ntuj yoov mus qhov twg?
Lawv xav tau lub teeb polarized coj lawv pom kev. "Raws li hnub tig mus rau yav tsaus ntuj, yoov tsiv nyob hauv qab nplooj thiab ceg ntoo, ntawm cov ceg ntoo thiab tsob ntoo, ntawm cov stems ntawm cov nyom siab thiab lwm yam nroj tsuag," Dr. Grimaldi tau hais. "Lawv feem ntau yuav tsis nyob ib hmos hauv av.
Vim li cas yoov rub tes?
Yuav coj cwj pwm
Yav rub lawv ob txhais ceg ua ke los ntxuav lawv. Qhov no tej zaum yuav zoo li counterintuitive muab cov kab ' seeminglykev ntshaw tsis txaus siab rau kev qias neeg thiab kev qias neeg, tab sis kev tu cev yog ib qho ntawm lawv cov haujlwm tseem ceeb.
