Decollate snail yog ib txwm nyob rau North Africa thiab thaj tsam Mediterranean. Nws yog inadvertently qhia rau hauv Southern California hauv xyoo 1960. Vim hais tias nws yog ib hom burrowing thiab qe thiab qwj tshwm sim nyob rau hauv topsoil, decollate yuav kis tau yooj yim nyob rau hauv lub thawv nroj tsuag thiab av uas tsiv.
Puas yog vaj qwj nyob rau California?
Qav uas peb feem ntau ntsib yog European vaj qwj (Helix aspersa). Cov tsiaj no raug coj mus rau California ntau dua 100 xyoo dhau los, raug liam tias yog khoom noj khoom haus. Yog li thaum koj sau lawv hauv koj lub vaj, koj tuaj yeem noj lawv. … Kuv nco txog thawj tus qwj uas kuv tau pom nyob rau hauv Bay Area.
Nqaij yog ib hom kab invasive hauv California?
Ib yam kab mob snail maj mam tab sis tsis tu ncua hla Southern California waterways. … Cov qwj yog ib qho teeb meem thoob plaws sab hnub poob. Lawv tau pom nyob hauv Colorado, Utah, Washington xeev thiab hauv Wyoming's Yellowstone National Park, qhov chaw tub ceev xwm tau tshaj tawm pom ntau dua 500,000 ib square yard.
Puas yog vaj qwj nyob rau North America?
Nws yog qwj ib txwm nyob rau thaj tsam Mediterraneantab sis tam sim no nyob hauv ntau thaj chaw hauv ntiaj teb, uas ua rau nws muaj ntau hom kev faib tawm thiab muaj nyob hauv txhua lub teb chaws, tshwj tsis yog Antarctica.
Puas Decollate snails poisonous?
No, the decollate snails yog tsiaj tsis muaj tshuaj lom.
