POLYPHAGOUS SHOT HOLE BORER IN SOUTH AFRICA (Euwallaceae whitfordiodendron): Nobody knows where this beetle comes from. It carries a fungus with it (Fusarium euwallaceae) that grows in the cambium and phloem layers of the tree. The cambium and phloem which carries nutrients from the roots to the leaves and vice versa, gets blocked with the fungus, and the tree dies
We are on the brink of an ecological disaster, all because of the Shot Hole Borer Beetle. Trees are dying and FABI has indicated that natural control is not in the pipeline at this point.
Judging by the numbers of dead trees killed by Shot Hole Borer Beetles in Johannesburg and Knysna, this could become one of South Africa’s worst ecological disasters. While the beetles are primarily encountered in towns, there is a very real possibility, that they can spread out via tree corridors and start killing trees in the veld.
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