PSHB Beetles are less than 2mm in length, about the size of a sesame seed Botanic Gardens PSHB – the perfect invader 06/03/2023 Chelsea Payne 661 Views 0 Comments #Tree, Botanic gardens, gardening, horticultural, horticultural industry, landscape design By Chelsea Payne Polyphagous Shot Hole Borer (PSHB) has emerged as a significant tree pest in Perth, Western Australia, and Please Subscribe to Hort Journal Australia to view this page, or if you're already subscribed, please login below. Login