POLLY WANT A PALM: Add to drought,...

POLLY WANT A PALM: Add to drought, longhorn beetles, spider mites and the other usual tree pests a weird new plague: wild parrots. Seen in flocks of 100 or more in the central county, these descendants of escaped pets bore nests into date palms, eventually killing the trees. . . . So far, eight trees have fallen in Orange. “We’ve checked with arborists, and they’ve never heard of this before,” says a city spokesman.