Like all clades of Haplogroup O-M175, Haplogroup O-P31 is found only among the males of modern Eastern Eurasian populations.
Eastern Europe | Eastern Orthodox Church | Eurasia | Great Eastern Railway | Eastern Bloc | Eastern Front (World War II) | London and North Eastern Railway | Eastern Michigan University | Eastern Rumelia | Eastern Front | Eastern Time Zone | Eastern Region | Eastern Air Lines | Eastern Washington | United States District Court for the Eastern District of Texas | Eastern League | Eastern Hockey League | Eastern Ghats | United States District Court for the Eastern District of Pennsylvania | Galicia (Eastern Europe) | Eastern Province | Eastern Catholic Churches | United States District Court for the Eastern District of Illinois | Eastern Washington University | Eastern United States | Eastern Townships | Eastern Shore | Eastern Illinois University | Far Eastern University | Eastern Region (Ghana) |
One species, Hyphantria cunea Drury, 1773, was introduced in Western, Central and Eastern Eurasia.
It is found on the west coast of North America up to Alaska, and in eastern Eurasia.