Utah State University Extension
Shothole borers (Fig. 1) are bark beetles that may attack stressed or injured trees. They have a wide host range, including all fruit trees grown in Utah, quince, loquat, serviceberry, wild cherry, chokecherry, mountain ash, hawthorn and elm. In Utah, apple, cherry, pear, and hawthorn are preferred hosts.
Davis, Ryan S. and Caron, Michael, "Shothole Borer" (2013). All Current Publications. Paper 949.