Written by: Erica J. Kistner (Postdoctoral Scholar, UC Riverside) Photos by: Mike Lewis, Mark Hoddle and Nayham Melhem The Problem: Since its accidental introduction in 2008, the invasive Asian Citrus Psyllid (ACP) is now widespread throughout southern CA including San Diego, Imperial, Riverside, Los Angeles, Orange, and San Bernardino counties. ACP may present the greatest...