About Willowsia buski (J.Lubbock, 1870)
Willowsia buski is a medium-sized springtail, with an average body length of 1 to 2 millimeters. Its body has a smooth dark purple to black coloration, and fine setae cover its entire surface. The head of this species is typically a lighter shade than the body, which makes it easy to tell apart from similar species. As a member of the family Entomobryidae, it has four antennal segments that are approximately equal in size.