The Giant Mayfly is a subspecies of Mayfly, common in the Eastern United States. This insect is mostly common in the summer months. It is one of the largest types of Mayfly you will ever see. They lay their eggs in the water.
Snipping Tool can be used only as a screen shot, or snip, of any object you see on your screen. So, snipping tool cannot scroll. You might have to scroll down the screen and then use the tool.
While Microsoft Windows 8 still has the Snipping Tool, it also has a new keyboard shortcut for capturing screenshots. If you click the keyboard combination of the Windows Key + Print Screen, Windows 8 will capture the current screenshot and save it automatically in the Pictures Library.