DES MOINES, Iowa (AP) -- State officials are advising Iowans to not bother planting Scotch pine trees because of an infestation of beetles and microscopic worms are killing them. Tree expert John ...

OMAHA - Pine wilt is threatening Nebraska's Scotch pine trees, which number in the millions. The fatal disease, caused by a parasitic worm called a nematode, cannot be treated. It has affected trees ...

Pines and spruce appear to be taking a hit this summer from diseases and insects. However, at this time of year there are no diseases or insects, other than spider mites, that a pesticide application ...

South Dakota's long-needled pine trees have a new threat that can quickly starve them of water — pine wilt disease. Aberdeen City Forester Aaron Kiesz said the first case of pine wilt has been found ...