Polyphagous Shothole Borer The Research Important Message The PSHB was found and confirmed in Somerset West on March 8th, and April 3rd, respectively (see letter below). Please report any new sightings of unhealthy trees in the Cape Town Area. × Dismiss alert Polyphagous Shothole Borer The Polyphagous Shothole Borer (PSHB) is an invasive insect that … Continue reading PSHB