All my shimps are loosing needles. Two have already dies. I thought it might be a result of damage from the freeze we had this winter ( -3 ) but one of the trees that croaked was new. It appears to be a vector of some sort because it is spreading. The two RMJs I have are NOT affected. I've tried all the usual enviromental / maitenance problems such as pH , over/under watering , over/under feeding , etc. Nothing works which strengthens my suspicion of a vector of some sort. It isn't mites either so maybe a fungus ? All the affected trees are still putting out new growth , some of which replaces the dead stuff and some of which turns yellow then dies. Here's some pics.Pardon the poor quality from my Brownie.