C.J. Neumann added 12 points and 12 rebounds for his first double-double. Eric Garcia and Fletcher Magee added 14 points each for the Terriers (7-10, 4-1 Southern), who shot 51 percent and were 8 of 18 from 3-point range, including three apiece for Collins and Magee.
Wofford has won four of its last five while The Citadel has lost six straight.
Wofford led by six at halftime and Collins put the Bulldogs up 14 with 10:55 left. A 3-point play by Henry got the Bulldogs within 86-83 with 38 seconds left. Both teams missed shots then Wofford turned the ball over on a shot-clock violation with eight seconds left but P.J. Boutte's 3-point try wasn't close.