Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: D. russelii inowanikwa muIndia, Sri Lanka, Bangladesh, Nepal, Myanmar, Thailand, Pakistan, Cambodia, Tibet, China (Guangxi, Guangdong), Taiwan neIndonesia (Endeh, Flores, kumabvazuva kweJava, Komodo, uye Lomblen Islands). Nzvimbo yemhando yakanyorwa se"India". Zvikurukuru, iyi yaizova Coromandel Coast, nokufungidzira kwaRussell (1796). Brown (1973) anotaura kuti inogonawo kuwanikwa muVietnam, Laos, uye pachitsuwa cheIndonesia cheSumatra. Ditmars (1937) anonzi akagamuchirawo muenzaniso kubva kuSumatra. Zvisinei, kupararira kworudzi urwu muIndonesia kuchiri kuongororwa. Munzvimbo yarwo, inogona kunge yakajairika mune dzimwe nzvimbo, asi isingawanzowaniki mune dzimwe. MuIndia, yakawanda muPunjab, yakajairika pamwe neWest Coast nemakomo ayo, kumaodzanyemba kweIndia uye kuchamhembe kuBengal. Hazvina kujairika kusvika kune zvisingawanzoitiki mumupata weGanges, kuchamhembe kweBengal, uye Assam. Rwakapararira muMyanmar. Inowanzosanganawo muThailand muPattaya nemamwe mataundi anoshanyirwa nevashanyi uko mhuka dzayo huru, makonzo, ane zvokudya zvakawanda.  Mubvunzo: D. russelii inowanika kupi?
India, Sri Lanka, Bangladesh, Nepal, Myanmar, Thailand, Pakistan, Cambodia, Tibet, China (Guangxi, Guangdong), Taiwan neIndonesia