Elisa Cardenas participates in a planting program in May to combat the spread of parasites among pine trees in Boulder County. (Pouria Montazeri –Courtesy photo) ...

The invasive insect almost destroyed Tasmania's radiata pine industry when it arrived in Australia in the 1950s, and killed millions of trees in the late 1980s on the South Australia-Victoria border.

Shortleaf pine, Short-needle pine, Pinus echinata, is potentially a large, stately tree, to 100' tall ... or possibly an infestation of a parasite.

Discover the major common tree diseases in the United States. Armillaria attacks both hardwoods and softwoods and causes either yellowing leaves or browning needles. Wood that is decaying from ...

THE note in NATURE of April 11 (p. 144) about the ravages of insect parasites upon the chir pine (Pinus longifolia) in the Himalayas suggests a consideration which, I think, is not enough present ...

Workers in Lebanon climb high up pine trees for a valuable export: pine nuts. But the important source of revenue is being choked off by an invasive pest. Pesto, hummus or eggplant stuffed with ...

Milne explained that as long as trees are creating cones, foresters let them stay on the slopes, even if infected with one of the parasites. (This goes for the wax currants, too.) ...