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) ...

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 ...

The pine wood nematode, a parasite carried by Monochamus, a genus of longhorn beetles, can be spread as the beetles fly. Infected pine trees can wither and die within about a month if untreated.