1. Agricultural Research Council: Infruitec-Nietvoorbij, Stellenbosch, South Africa
2. RFG Eswatini (Pty) Ltd, Malkerns, Eswatini
3. Agricultural Research Council: Plant Health and Protection, Vredenburg, Stellenbosch, South Africa
4. Centre for Invasion Biology, Botany and Zoology Department, Stellenbosch University, Stellenbosch, South Africa