palm bugs/beetles boring large holes in trees; to kill them. Royal, Christmas, Some Foxtails, some MacLueng

[thaied]

This year was the first year out of 10 yrs living here with so many royal, christmas, foxtail palms. 

This year was dry Dec. to May. ;   Usually at least one good rain somewhere but not this year. 

So palms 2cm to 10cm diamete have huge long holes bored in them. Gold gooey insides coming out taht is the roual palm trying to heal itself.  but the sides of the tree; usually near the top are being eatin out;  I've not noticed it till too late. 

I've topped off  over 30 royal palms;   dozen christmas palms. and a few foxrtails all with side entry. The largest was 5 meters tall; 8 cm dia or about 3 in; diameter where its still soft to get thru. 

I have had red palm weevil  problems thuse have traps otu all over the yard to lure them in buckets but never had them eating out the trunks. Normal behaviour is eatign the branches at the beginning widest part from the tree; to kill the branch. Over  5 yrs wth lures of both red palm weevils and rhino beetles (for coconnut trees) I'l can easily catch a dozen a week;; depending on wind , sun, rain conditions.   I keep moist mulch piles of dead branches, mulch, cuttings, that turn into rich black; coconut dirt where the rhinos' live to lay their eggs; then I just turn in over every 2 months  to catch the larvae that is usally big; whiteish- about a month away from full developement.  The red palm weevils are not atrracted to these piles., only rhino beetles. 

Thats ongoing but this tree boring; is new.  I can try many sprays  but told imidacloprid is the only thing that kill both beetles.   Just don't know if its the same boring the trunks out or some other crittre. 

Mac Lueng is a long tree in clusters; like a palm but its getting chewed on also. 

i can come back to attach photos