Gloucester also confirmed their first pre-season game will be against Saracens on Friday, August 11 at 7.30pm - the day before the Middlesex Sevens at Twickenham.
All the pre-season games are free to season ticket holders. The visit of Moseley will mean mean a return to Kingsholm of Ian Smith, the former flanker, before the start of their National One campaign.
Fri 11 Aug, v Saracens (home, 7.30pm)
Sat 12 Aug, Middlesex 7s (Twickenham)
Fri 18 Aug, v Moseley (home, 7.30pm)* A XV
Sat 19 Aug, v Llanelli (away, 2.30pm)
Sat 26 Aug, v Llanelli (home, 3.00pm)