I am sure many of you will have seen a cabbage tree with
what appears to be a knotted growing tip. Gerard Kelly (HCC) thinks the top
area where the cabbage tree is deformed, could be caused by cabbage tree moth
larvae (Catamacta lotinana). The larvae mine the leaves and then migrate to the
tips, weaving and knitting the tips together. They then eat leaves from inside
out. Lower leaves showing characteristic caterpillar feeding, tips get quite
frayed and could be easily spun together. If you see a cabbage tree like the one
in the photo it would be worth investigating.
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