Pythium insidiosum Directory References Discover Inventors and Inventions of the Industrial Revolution Timeline of the 1970s 10 Greatest Baseball Players of All Time Timeline of the 1990s Timeline of the American Civil Rights Movement What’s the Difference Between Bison and Buffalo? 7 Everyday English Idioms and Where They Come From Contents Ask the Chatbot a Question Pythium insidiosum chromist Ask the Chatbot a Question Learn about this topic in these articles:source of pythiosis In PythiumP. insidiosum causes pythiosis, a rare and deadly tropical disease found in dogs, horses, humans, and certain other mammals. Read More Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.