The Dolphin Coast was South Africa’s seventh confirmed site of infestation of the beetle, which is believed to have come from South East Asia.
Kitted out with a near infrared camera, a drone was used to map out forested areas to identify the dreaded polyphagous shot hole borer – and the results were alarming.
“The camera picks up plants under stress as they will not photosynthesise properly and start to reflect light instead of absorb it,” said Walters who lives in Simbithi. He said the borer has been found in numerous trees, specifically the big Natal figs and old Pigeonwood trees. “We need to find practical, cost-effective ways to control this beetle. It is spreading rapidly all over KZN and we need to catch it before it starts climbing into our macadamia crops, which will have long term repercussions. People need to get on board to help stop the beetle.”
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