A man accused of sexually abusing a five-year-old will stand trial later this month. Joseph Erdman of Mount Pleasant is charged with two felonies; 2nd Degree Sexual Abuse and Lascivious Acts with a Child. Not guilty pleas were filed Monday. The Mount Pleasant Police Department took him into custody last month following an investigation prompted by a report that alleged Erdman had assaulted a five-year-old. The 19-year-old’s trial is scheduled to begin August 25th.