March 29 to April 10 2010 The gold spotted oak borer (GSOB), Agrilus coxalis(Coleoptera: Buprestidae) is an invasive pest in Southern California that was first detected around 2004. This beetle has a natural distribution that extends from the oak forests in the mountains of Southern Arizona (i.e., the Santa Ritas, Santa Catalinas, Chiricahuas, and the...