Some of my trees look like this and I’ve noticed that this happens after typhoons, when there’s little rain (observed since Soudelor). Gentle reminder that drawing conclusions over Twitter can cause unnecessary panic, and we should find out the real answers b4 posting. https://twitter.com/Lani4Pasifika/status/1158703983524900865 …
Update for this thread: this was confirmed officially, on Saipan and Rota. Here's a link for more info on the coconut rhino beetle. https://cnas-re.uog.edu/crb/