Alyssa Poarch and Mikayla Dayes each scored.
The Terps equalized in the second half but couldn't hold on.
The Badgers twice in two minutes in the second half.
“I think we’ve got some really terrific young players who came here to contribute, and they already are.”
The Terps have yet to lose at home this season.
Richardson joined the Terps as a right back but has since shifted into Samuels' vacant role.
Flippens made her season debut Sunday against Princeton and notched two assists.
The Terps battled through a sluggish first half.
The Terps were No. 24 last week.
Di Rosa scored the game-winning goal in the Terps' 1-0 win over Villanova on Monday.