The state's most important rivers are the Missouri, rising in southwest Montana and flowing north and then east across the state, and the Yellowstone, which crosses southeastern Montana to join the Missouri in North Dakota near the Montana border.
Distribution in South Africa. Hoverflies can be found all over the country between the sea-shores and the mountains. In total, there are at least 180 species recorded from South Africa. The number of species declines from the northeast to the southwest. However, some species have only or predominately been found in the Western Cape.
The beauty of nature. Saturday, 14 August 2010. Hoverflies do not sting and 7 other facts. It is not always easy to tell the difference between a hoverfly (flower fly) and a bee or wasp. There are so many different species of hoverfly and this variety of shapes and sizes adds to the confusion.